C. elegans (disambiguation)

• Consobrinomia elegans, a species from the Mediterranean

• Clathria elegans, a species of family Microcionidae found in the United States part of the North Atlantic Ocean
• Clathrissa elegans, a synonym for Tedania elegans, a species of family Tedaniidae found in Australia
• Crella elegans (syn. Cribella elegans or Cribrella elegans), a marine species of family Crellidae found in the Adriatic

• Callyspongia elegans (syn. Cladochalina elegans), a species found in Indonesia
• Chalinissa elegans, a synonym for Callyspongia serpentina, a species found in Australia and New Zealand
• Chalinopsilla elegans, a synonym for Dactylia elegans, a species found in Western Australia

• Chalinodendron elegans , a synonym for Haliclona elegans, a species found in southeast Australia

• Carteriospongia elegans, a synonym for Carteriospongia foliascens, a species (Thorectidae)

• Caulospongia elegans, a species of family Suberitidae found in Australia

• Craniella elegans, a marine species of family Tetillidae found in southern India and Sri Lanka

• †Cupulospongia elegans, an extinct species (incertae sedis) from the Cretaceous of France

• †Cribrospongia elegans, an extinct species of family Cribrospongiidae from the Jurassic of Germany

• Caulophacus elegans, a species (Rossellidae, Lanuginellinae) found in Central Kuroshio Current, near Japan
• Corbitella elegans, a species (Euplectellidae) found in the Banda Sea in the Maluku Islands of Indonesia

• Cryptolaria elegans, a synonym for Acryptolaria elegans, a thecate hydroid (Lafoeidae) found in the Gulf of Mexico

• †Cardiaphyllum elegans, an extinct species from the Upper Carboniferous of China

• †Calamophylliopsis elegans, a species (Dermosmiliidae) from the Cretaceous of China
• †Chorisastrea elegans, an extinct species (Calamophylliidae) found in Switzerland
• †Codonosmilia elegans, an extinct species (Rhipidogyridae) from the Jurassic of Switzerland
• Coeloria elegans, a species (incertae sedis)
• †Colpophyllia elegans, an extinct species (Mussidae)
• †Comophyllia elegans, an extinct species (Latomeandridae) from the Jurassic of France
• †Conosmilia elegans, an extinct species (Flabellidae) from the Tertiary of South Australia
• †Cyathophora elegans, a synonym for Holocystis elegans, a species (Cyathophoridae) from the Cretaceous of Mexico, Spain and the United Kingdom
• Cycloseris elegans, a mushroom coral (Fungiidae) found on the west coast of America

• †Carinthiaphyllum elegans, an extinct species (Geyerophyllidae) from the Carboniferous of China

• †Caliapora elegans an extinct species (†Favositidae) from the Devonian of the Urals
• †Catenipora elegans, an extinct species (†Halysitidae) from the Silurian of Estonia
• †Coenites elegans, an extinct species (†Coenitidae) from the Devonian of Altai

• Callogorgia elegans (syn. Callicella elegans), a species (Primnoidae) found in the western North Pacific
• Chrysogorgia elegans, a species (Chrysogorgiidae) found in the Gulf of Mexico, the Mediterranean Sea and the North Atlantic Ocean
• Cyathopodium elegans, a species (Clavulariidae) found in the western part of the Atlantic Ocean

• Cavernularia elegans, a species (Veretillidae) from the North Atlantic Ocean

• Ceratomyxa elegans, a species (Ceratomyxidae) found in the Mediterranean and the Argentinian seas where it is a parasite of toadfishes

• Calliaster elegans, a species
• †Comptonia elegans, an extinct species from the Cretaceous of France

• †Chariaster elegans, an extinct species from the Cretaceous of Egypt

• †Calceolispongia elegans, an extinct species (Calceolispongiidae) that lived along the shores of what corresponds to Timor and Western Australia today

• †Cicerocrinus elegans, an extinct species (Pisocrinidae) known from the Silurian of the United Kingdom

• Clarkometra elegans, a feather star (Colobometridae) found from southwest Mindanao in the Philippines to the Bonin Islands, Japan

• †Coelopleurus elegans, a species (Arbaciidae) from the Pleistocene of Japan

• †Catopygus elegans, a synonym for Studeria elegans, an extinct species (Neolampadidae)

• †Cidaris elegans Münster, 1826 (syn. †Cidarites elegans), a fossil species (Cidaridae) from the Jurassic of France
• Cidaris elegans (A. Agassiz, 1879), a synonym for Histocidaris elegans, an extant species (Histocidaridae)

• †Cambraster elegans, an extinct species (family unknown) from the Cambrian

• †Chiridota elegans (syn. †Chirodota elegans), a species (Chiridotidae) from the Pliocene of Europe

• Clavelina elegans, a species (Clavelinidae) found in Japan

• Chorizocarpa elegans, a synonym for Botryllus elegans, a species (Styelidae) found in Mozambique and South Africa
• Culeolus elegans, a species (Pyuridae) found in New Caledonia

• †Curtognathus elegans, an extinct species (Distacodontidae) from the Ordovician of Siberia

• †Cephalaspis elegans, a synonym for †Zychaspis elegans, an extinct species (†Scolenaspididae) from the Devonian of Ukraine

• †Chomatodus elegans, a prehistoric species (Petalodontiformes)

• Carcharias elegans, a synonym for Carcharhinus melanopterus, the blacktip reef shark, a requiem shark (Carcharhinidae) inhabiting the tropical coral reefs of the Indian and Pacific oceans

• †Cladodus elegans, an extinct species from the Carboniferous period
• †Cladoselache elegans, an extinct shark from the Devonian period

• †Ctenacanthus elegans, an extinct species (Ctenacanthidae) from the Carboniferous period

• †Cosmacanthus elegans, a synonym for †Nemacanthus elegans, an extinct species (†Paleospinacidae) from the Triassic of Idaho, United States

• Callionymus elegans, a synonym for Callionymus lyra, the common dragonet, a species (Callionymidae) widespread in the eastern Atlantic
• Clinus elegans, a synonym for Calliclinus geniguttatus, a marine species (Labrisomidae) native to the Pacific coast of Chile and the Atlantic coast of Argentina
• Coryphaena elegans, a synonym for Luvaris imperialis, the louvar, a marine species (Luvaridae) found in surface waters of temperate and tropical oceans throughout the world
• Cybiosarda elegans, a marine scombrid (Scombridae) found in coastal and oceanic waters of northern Australia and southern New Guinea

• Crenicara elegans, a synonym for Crenicara punctulatum, the checkerboard cichlid, a species (Geophaginae) native to creeks and rivers in the Amazon and Essequibo basins in South America
• Crenicichla elegans, a synonym for Crenicichla reticulata, a species (Cichlinae) native to South America

• Cyprinodon elegans, the Comanche Springs pupfish, a species found in the United States

• Cynodonichthys elegans, a species found in Colombia
• Cynolebias elegans, a synonym for Nematolebias whitei, the Rio pearlfish, a species native to South America

• Cobitis elegans, a synonym for Triplophysa stolickai, the Tibetan stone loach, a species found in southern and central Asia

• Corydoras elegans (syn. Corydorus elegans), the elegant corydoras or elegant catfish, a freshwater armored catfish (Callichthyidae) found in the Upper Amazon River basin

• Crossocheilus elegans, a cyprinid (Cyprinidae) found in northern Borneo, Indonesia

• Curimata elegans or Curimatus elegans, synonyms for Steindachnerina elegans, a species found in rivers in Bahia and Minas Gerais, Brazil
• Curimatus elegans paraguayensis, a synonym for Curimatella dorsalis, a species from the Orinoco, Amazon, Tocantins and Paraguay-lower Paraná River basins

• Centridermichthys elegans, a synonym for Bero elegans, a sculpin (Cottidae) native to the northwestern Pacific Ocean

• Coregonus elegans, a synonym for Coregonus pollan, the pollan, a freshwater whitefish (salmonidae) known only from five Irish lakes

• †Ceratodus elegans, an extinct lungfish (Ceratodontiformes, Ptychoceratodontidae) from the Triassic of Germany
• †Coelacanthus elegans, a synonym for Rhabdoderma elegans, an extinct coelacanth fish (Rhabdodermatidae) that lived in the Carboniferous

• Cardioglossa elegans, a species (Arthroleptidae) found in Cameroon, Equatorial Guinea and Gabon
• Cornufer elegans, a species (Ceratobatrachidae) endemic to Papua New Guinea

• †Chlorostilbon elegans, Gould's emerald, a presumed extinct hummingbird (Trochilidae) likely from Jamaica or the Bahamas
• Charadrius elegans, a synonym for Charadrius alexandrinus, the Kentish plover, a cosmopolitan species (Charadriidae)
• Callipepla elegans, a synonym for Callipepla douglasii, the elegant quail, a species (Odontophoridae) endemic to Pacific-slope thorn forest of northwestern Mexico
• Coturnicops elegans, a synonym for Sarothrura elegans, the buff-spotted flufftail, a species (Sarothruridae) found in Africa
• Calocitta elegans, a synonym for Calocitta colliei, the black-throated magpie-jay, a species (Corvidae) found in northwestern Mexico
• Celeus elegans, the chestnut woodpecker, a species (Picidae) found in South America
• Calodromas elegans or Calopezus elegans, synonyms for Eudromia elegans, the elegant crested tinamou or martineta tinamou, a species (Tinamidae) found in southern Chile and Argentina

• Calamaria elegans, a synonym for Calamaria modesta, a colubrid species (Calamariinae) found in Java
• Coronella elegans Günther, 1858, a synonym for Taeniophallus occipitalis, a colubrid species (Dipsadinae) found in South America
• Coronella elegans Jan, 1863, a synonym for Meizodon regularis, the eastern crowned smooth snake, a colubrid species (Colubrinae) found in Africa

• Coluber elegans, a synonym for Psammophis elegans, the elegant sand racer, a species (Lamprophiidae) found in tropical Africa

• Craspedocephalus elegans, a synonym for Trimeresurus elegans, the elegant pitviper, a species (Viperidae) endemic to Japan

• Cursoria elegans or Cusoria elegans, synonyms for Eryx elegans, a species (Boidae) found in western Central Asia

• Coleonyx elegans, the Yucatán banded gecko, an eyelid gecko (Eublepharinae) found in Mexico, Guatemala and Belize
• Cyrtopodion elegans, a synonym for Cyrtopodion elongatum, the Yangihissar gecko, a species (Gekkoninae) found in northwest China and Mongolia

• Chersine elegans, a synonym for Geochelone elegans, the Indian star tortoise, a species (Testudinidae) found in dry areas and scrub forest in India and Sri Lanka
• Chrysemys elegans, a synonym for Trachemys scripta elegans, the red-eared slider, a pond turtle (Emydidae)
• Cyclanorbis elegans, the Nubian flapshell turtle, a softshell (Trionychidae) found in Africa

• †Chatterjeea elegans, a synonym for †Shuvosaurus inexpectatus, an extinct species of beaked reptiles (†Shuvosauridae) from the Late Triassic of Texas

• †Cricosaurus elegans, an extinct marine crocodyliform (Metriorhynchidae) from the Late Jurassic to Early Cretaceous

• †Ctenochasma elegans, an extinct species of pterosaurs (†Ctenochasmatidae) of the Late Jurassic of Germany and France

• †Chirostenotes elegans, a synonym for Leptorhynchos elegans, an extinct species of oviraptorosaurian dinosaur (†Caenagnathidae) from the late Cretaceous of Alberta, Montana and South Dakota

• †Cynodictis elegans, an extinct species of bear dog (†Amphicyonidae) from the Eocene–Oligocene of Eurasia
• †Caenotherium elegans or Cainotherium elegans, synonyms for Cainotherium laticurvatum, an extinct species of rabbit-sized even-toed ungulate (†Cainotheriidae) from the Eocene-Miocene of Europe
• †Choilodon elegans, an extinct species (?Tragulidae, the chevrotains) found in phosphorites in Quercy, France
• Chrysochloris elegans, a synonym for Chrysochloris asiatica, the Cape golden mole (Chrysochloridae) found in South Africa
• †Cayluxotherium elegans, a synonym for †Neurogymnurus cayluxi, an extinct species of hedgehogs (Erinaceidae) from the Oligocene of France
• †Camphotherium elegans or †Comphotherium elegans, synonyms for †Tetracus nanus, an extinct species of hedgehogs (Erinaceidae) from the Oligocene of Belgium, France and southern England
• Capromys elegans, a synonym for Phloeomys cumingi, the southern giant slender-tailed cloud rat, a species (Muridae) found only in the Philippines
• Citellus elegans, a synonym for Urocitellus elegans, the Wyoming ground squirrel, a species (Sciuridae) endemic to the northwestern United States

• †Callograptus elegans, an extinct graptolite species (†Dendrograptidae) from the Quebec Group

• Convoluta elegans, an acoel species (Convolutidae) found in the Black Sea

• Caenorhabditis elegans, a species (Rhabditidae) extensively used as a model in developmental biology
• Camallanus elegans, a synonym for Camallanus lacustris, a freshwater species (Camallanidae) parasitic of fish
• Chilenchus elegans, a parasitic species (Tylenchidae) found in Chile
• Chronogaster elegans, a species (Leptolaimidae) found in fresh water in the United States
• Cloacina elegans, a parasite of marsupials in Australia
• Craspedonema elegans, a parasitic species (Bunonematidae) found in Brazil
• Crassolabium elegans, a species (Qudsianematidae) from the northern Great Plains
• Cucullanus elegans, an endoparasite (Cucullanidae) of the European perch
• Cyartonema elegans, a free-living marine species (Cyartonematidae) found in Scotland
• Cyclostrongylus elegans, an oesophageal parasite (Cloacininae) of macropodid marsupials in Australia

• †Caputoraptor elegans, an extinct species (†Alienopteridae) from the Late Cretaceous of Myanmar

• Calolampra elegans, a giant cockroach (Blaberidae) found in Queensland, Australia
• Corydia elegans, a synonym for Eucorydia aenea, a species (Corydiidae) found in Asia

• Centrocerum elegans, a species found in Brazil, Bolivia, Paraguay and Argentina
• Cordylomera elegans, a species found in South Africa
• Callichroma elegans, Cerambix elegans or Cerambyx elegans, synonyms for Mionochroma elegans, a species found in Guadeloupe, Grenada, Dominica and St. Lucia
• Callichroma elegans Haldeman, 1847 nec Olivier, 1790, a synonym for Plinthocoelium suaveolens
• Calliprason elegans, a species (Stenoderini) found in New Zealand
• Championa elegans, a species (Heteropsini) found in Mexico
• Clytus elegans, a synonym for Neoclytus scutellaris a species (Clytini) found in the United States
• Coleoxestia elegans or Criodion elegans, synonyms for Poeciloxestia elegans a species (Cerambycini) found in Brazil
• Cacia elegans, a species (Mesosini)
• Callienispia elegans, a synonym for Egesina elegans, a species (Pteropliini)
• Catharesthes elegans, a species (Acanthocinini)
• Ceroplesis elegans, a species (Ceroplesini) found in Saudi Arabia and Yemen
• Chariesthes elegans, a synonym for Chariesthes bella, a species (Tragocephalini) found in Africa
• Cyriocrates elegans, a synonym for Anoplophora elegans, a species (Lamiini) found in Southeast Asia

• Callidemum elegans, currently Paropsimorpha elegans, a species found in Australia
• Calligrapha elegans or Chrysomela elegans, synonyms for Calligrapha californica, a species (Chrysomelini) found in the United States and Canada
• Crosita elegans, a species with a Palaearctic distribution
• Cyrtonus elegans, a species found in Portugal
• Callispa elegans, a species found in southern Asia
• Callistola elegans a species (Cryptonychini) found in the western Pacific
• Coptocycla elegans, a species found in Brazil
• Cneorane elegans, a species (Galerucini) found in Japan and Korea

• Colobaspis elegans, a species (Megalopodinae) found in Taiwan

• Chondria elegans, a species found in Malaysia
• Corynomalus elegans, a species (Lycoperdininae) found in Ecuador
• Cymbachus elegans, a species (Lycoperdininae) found in Laos

• Cartodere elegans, a species found in Europe

• Calosphaera elegans or Cryptarcha elegans, synonyms for Eucalosphaera elegans a species (Cryptarchinae) found in Perak, Malaysia

• Callotillus elegans, a synonym for Neocallotillus elegans, a species (Tillinae) found in Texas, California and Arizona
• Chariessa elegans, a species found in the United States

• Carphurus elegans, a species (Malachiinae, Carphurini) found in Queensland, Australia
• Clanoptilus elegans, a species found in Europe

• Callizonus elegans, a synonym for Praepodes elegans, a species (not yet assigned to a subfamily) found in Cuba
• Ceutorhynchus elegans, a species (Baridinae, Ceutorhynchini) with a Palaearctic distribution
• Coniatus elegans, a species (Hyperinae) found in Syria
• Conotrachelus elegans, the pecan gall curculio, a species (Molytinae) found in North America
• Cryptorhynchus elegans, a species (Cryptorhynchinae) found in North America
• Centrinaspis elegans, a species found in Brazil
• Cleopus elegans, a species (Cionini) found in Italy
• Calandra elegans, a species
• Curculio elegans, a synonym for Sphenophorus abbreviatus, a species (Rhynchophorini) found in Europe
• Cyrtotrachelus elegans, a species (Rhynchophorini) found in the Philippines
• Chaerodrys elegans, a synonym for Metadrosus bellus, a species (Polydrosini) found in southern Europe
• Chiloneus elegans, a species (Sciaphilini) found in Greece
• Compsus elegans, a species (Eustylini)
• Coptorhynchus elegans, a species (Celeuthetini) found in Indonesia
• Cnesinus elegans a species (Bothrosternini) found in Mexico
• Coptodryas elegans, a species (Xyleborini) found in Myanmar, India, Indonesia and the Pacific
• Cosmoderes elegans, a species (Cryphalini) found in New Guinea

• Catalabus elegans, a species found in India

• Cerobates elegans, a species found in Africa

• Cephalostenus elegans, a species (Tenebrioninae) found in Greece
• Colposcelis elegans a species (Pimeliinae, Tentyriini) with a Palaearctic distribution in Asia
• Cryptochile elegans, a species (Pimeliinae, Cryptochilini) found in Kenya

• Ceraspis elegans, a species (Melolonthinae, Macrodactylini) found in Brazil and Central America (Honduras)
• Canthon elegans or Choeridium elegans, synonyms for Canthon quadriguttatus, a species (Scarabaeinae, Canthonini) found in Brazil, Colombia and Suriname
• Calopotosia elegans, a synonym for Protaetia elegans, a species (Cetoniini) found in Taiwan
• Cetonia elegans Leoni, 1910, a synonym for Cetonia aurata pisana, a subspecies (Cetoniini) of the rose chafer
• Cetonia elegans Fabricius, 1781, a synonym for Heterorhina elegans, a species (Goliathini) found in India and Sri Lanka
• Chrysoliocola elegans
• Coptomia elegans, a synonym for Pyrrhopoda elegans, a species (Stenotarsiini) found in Madagascar
• Coryphocera elegans, a species found in Senegal
• Cyclocephala elegans, a synonym for Cyclocephala melanocephala, a species found in North and Central America

• Cladognathus elegans, a synonym for Digonophorus elegans, a species found in India

• Cardiophorus elegans, a species found in Chile
• Cardiorhinus elegans, a species found in Brazil
• †Cardiosyne elegans, an extinct species from the Triassic of Argentina
• Compsoctenus elegans, a species (Prosterninae) found in Chile
• Conoderus elegans, a species (Agrypninae) with a Palaearctic distribution
• Ctenicera elegans (syn. Corymbites elegans), a species (Prosterninae) found in Canada

• Cordylocera elegans

• Cautires elegans, a species (Lycinae)

• Chalcogenia elegans
• Chrysochroa elegans, the Japanese jewel beetle (tamamushi in Japanese), a species (Chrysochroinae) found in Japan
• Clema elegans

• Ctenelmis elegans, a species found near rivers in South Africa

• Catalina elegans, a species (Aleocharinae) with an Afrotropical distribution
• Cyrtotyphlus elegans, a species (Leptotyphlinae)
• Cephalochetus elegans (syn. Calliderma elegans), a species (Paederini, Echiasterina) found in Sri Lanka
• Cryptobium elegans, a synonym for Ochthephilum elegans, a species (Paederini, Cryptobiina) found in Australia
• Centrophthalmus elegans, a species (Tyrini) with a Palaearctic distribution
• Chandleria elegans, a species (Metopiasini) found in Panama

• Creniphilus elegans, a synonym for Paracymus elegans, a species (Hydrophilinae) found in southern California

• Calosoma elegans (syn. Callisthenes elegans), a species (Carabini) found in Kazakhstan
• Collyris elegans, (syn. Colliuris elegans Vanderl., 1829), a species (Collyridini) found in Java
• Caledonomorpha elegans, a species found in New Guinea
• Cephalota elegans (syn. Cicindela elegans Fourcroy & Geoffroy, 1785), a species (Cicindelini) found in Russia
• Catascopus elegans, a species found in Southeast Asia and Australia
• Colliuris elegans (Guérin-Méneville, 1855), a species (Odacanthini) found in Brazil
• Cymindis elegans, a species found in the United States
• Callistomimus elegans, a species found in South Africa
• Chlaenius elegans
• Carenum elegans, a species from Western Australia
• Clivina elegans, a species found in Australia
• Caelostomus elegans, a species (Pterostichinae)
• Cimmerites elegans, a species (Trechinae)
• Colpodes elegans, a species (Platyninae)
• Craspedophorus elegans, a species (Panagaeinae)
• Cypholoba elegans, a synonym for Cypholoba divisa, a species (Anthiinae)

• †Coptoclavella elegans, an extinct species from the Cretaceous of Mongolia

• Colymbetes elegans, a synonym for Copelatus posticatus, a species (Copelatinae)

• Chelisoches elegans, a synonym for Euenkrates elegans, a species (Chelisochidae) found in Sumatra and Java

Suborder Brachycera (brachyceran flies)

Infraorder Asilomorpha (asilomorphs)

• Calohilara elegans, a synonym for Hilara elegans, a species (Empididae) found in Myanmar
• Cerdistus elegans, a species (Asilidae) found in Tunisia
• Chrysotus elegans, a synonym for Chrysotus longipalpus, a long-legged fly (Dolichopodidae) found worldwide
• Cytherea elegans, a bee fly (Bombyliidae) found in France

Infraorder Muscomorpha (muscomorphs)

Family Syrphidae (hoverflies)

Subfamily Eristalinae

• Chalcosyrphus elegans, a species (Xylotini) found in Myanmar
• Chrysogaster elegans, a synonym for Orthonevra elegans, a species (Brachyopini) found in Europe

Subfamily Syrphinae

• Chrysotoxum elegans, a species (Syrphini) found in southern mainland Europe

Family Chloropidae (frit flies)

• Chloropsina elegans (syn. Chromatopterum elegans), a species (Chloropinae) found in the Philippines
• Conioscinella elegans, a species (Oscinellinae) found in Europe

Other muscomorphs

• Callomyia elegans, a flat-footed fly (Platypezidae) found in Europe
• Cardiacephala elegans, a synonym for Plocoscelus podagricus, a species (Micropezidae) found in Brazil and Peru
• Cecidocharella elegans, a fruit fly (Tephritidae) found in Brazil
• Cestrotus elegans, a species (Lauxaniidae) found in Ethiopia and Morocco
• Chamaemyia elegans, a species (Chamaemyiidae) present in Europe
• Chelisia elegans, a synonym for Anthomyia obscuripennis, a species (Anthomyiidae) found in the United States
• Coenosia elegans, a house fly (Muscidae) found in Alaska
• Conops elegans, a thick-headed fly (Conopidae) found in Cyprus, France and Spain
• Chyliza elegans, a species of rust fly (Psilidae) found in Taiwan
• Cryptomeigenia elegans, a tachinid fly (Tachinidae) found in Mexico
• Cuterebra elegans, a synonym for Cuterebra rufiventris, a rodent bot fly (Oestridae, Cuterebrinae) found in Brazil and Peru

Infraorder Tabanomorpha (tabanomorphs)

Family Rhagionidae (snipe flies)

• Coenura elegans (syn. Caenura elegans), a species found in Chile
• Chrysopilus elegans, a species found from Costa Rica to Peru

Stratiomyidae (soldier flies)

• Cyphomyia elegans, a synonym for Euparyphus elegans, a species (Stratiomyinae, Oxycerini) found in Mexico

Suborder Nematocera (mosquitoes, midges and gnats)

Infrorder Bibionomorpha (bibionomorphs)

• Cecidomyia elegans, a gall midge (Cecidomyiidae) found in Germany
• Corynoptera elegans, a dark-winged fungus gnat (Sciaridae) found in Argentina

Infrorder Tipulomorpha

• Ctenophora elegans, a true crane-fly (Tipulidae) found in Europe

Infraorder Culicomorpha

Family Chironomidae (nonbiting midges)

• Chironomus elegans, a synonym for Eurycnemus crassipes, a species (Orthocladiinae) found in Europe
• Cricotopus elegans, a species (Orthocladiinae) found in Europe

Family Culicidae (mosquitoes)

• Culex elegans, a species (Culicinae), possibly a synonym for Aedes aegypti

Suborder Heteroptera

Infraorder Cimicomorpha

• Cardiastethus elegans, a species (Anthocoridae) with a neotropical distribution
• Coranus elegans, an assassin bug (Reduviidae, Harpactorinae) found in Africa
• Corythucha elegans, the willow lace bug, a lace bug (Tingidae) found on willows in North America

Family Miridae

• Capsodes elegans, a synonym for Capsodes gothicus, a species (Mirinae) found in Europe
• †Closterocoris elegans, an extinct species (Mirinae) found in the Eocene Florissant Formation of Colorado
• Compsocerocoris elegans, a species found in Central America

Infraorder Nepomorpha (true water bugs)

• †Corixa elegans, an extinct species (Corixidae) from the Oligocene of Germany

Infraorder Pentatomomorpha

Superfamily Pentatomoidea (shield bugs)

Family Pentatomidae (stink bugs), subfamily Pentatominae

• Cephaloplatus elegans, a species (Carpocorini) found in the Northern Territory, Australia
• Commius elegans (syn. Cimex elegans), a species (Diemeniini) found in Australia
• Cyptocephala elegans, a species (Pentatomini) found in Illinois

Family Plataspidae

• Coptosoma elegans, a species (Platasdinae) found in Europe

Superfamily Coreoidea

• Cercinthus elegans (syn. Coreus elegans), a species (Coreidae) found in the Canary Islands

Superfamily Lygaeoidea

• Carvalhodrymus elegans, a species (Rhyparochromidae) found in Ghana and Cameroon
• Cymus elegans, a species (Lygaeidae) found in Korea

Suborder Auchenorrhyncha

Superfamily Fulgoroidea (fulgoroids)

• Calyptoproctus elegans, a lanternfly (Fulgoridae) found in Suriname, Brazil, French Guiana and Honduras
• Cromna elegans, a synonym for Siphanta acuta, the green planthopper or the torpedo bug, a species (Flatidae)

Infraorder Cicadomorpha, superfamily Membracoidea

• Callistrophia elegans , a synonym for Taurotettix elegans, a hopper (Cicadellidae, Deltocephalinae, Cicadulini) found in Asia

Suborder Sternorrhyncha (aphids, whiteflies and scale insects)

Superfamily Aphidoidea (aphids or plant lice)

• Callipterus elegans, a synonym for Tinocallis platani, a species (Aphididae, Calaphidinae) found in Europe and North America

Superfamily Psylloidea

• Cacopsylla elegans, a species (Psyllidae) found in Japan
• Colposcenia elegans, a species (Aphalaridae, Aphalarinae) with a Palaearctic distribution in northern and eastern Africa and the Middle East

Suborder Apocrita (ants, bees and wasps)

Superfamily Vespoidea

Family Pompilidae (spider wasps)

• Ceropales elegans, a species (Ceropalinae) found in Texas
• Cryptocheilus elegans, a species (Pepsinae) found in Europe

Family Formicidae (ants)

• Camponotus elegans, a carpenter ant (Formicinae) found in south east Queensland and Western Australia
• Cardiocondyla elegans, a species (Myrmicinae) found in the Mediterranean region
• Cerapachys elegans, a species (Dorylinae) found in Australia
• Conomyrma elegans, a synonym for Dorymyrmex elegans, a species (Dolichoderinae) endemic to the United States and Mexico
• Crematogaster elegans, a species (Myrmicinae) found on the Aru and Kai islands, Indonesia

Superfamily Apoidea

Clade Anthophila (bees)

Family Apidae

• Centris elegans, a species (Apinae) found on Saint Vincent and Grenadines
• Crocisa elegans, a synonym for Thyreus elegans, a species (Apinae) found in Eurasia and Africa

Family Colletidae (plasterer bees)

• Caupolicana elegans a species found in Mexico and the United States
• Colletes elegans, a ground-nesting species found in Israel

Family Crabronidae

• Cerceris elegans, a species found in Russia

Superfamily Ichneumonoidea

Family Braconidae (braconid wasps)

• Calaphidius elegans, a parasitoid species (Aphidiinae) found in Europe
• Chelonus elegans, a species (Cheloninae)
• Chrysopophthorus elegans, a synonym for Chrysopophthorus hungaricus, a parasitoid species (Euphorinae) found in northern Italy and introduced in Great Britain
• Coelinidea elegans (syn. Chaenon elegans or Coelinius elegans), a species of parasitoid wasps (Alysiinae) found in Europe

Subfamily Braconinae

• Callibracon elegans, a species (Braconini)
• Campyloneurus elegans, a species (Braconini) found in Cameroon

Family Ichneumonidae

• Campodorus elegans, a parasitic wasp (Ctenopelmatinae, Mesoleiini) found in England
• Cryptanuridimorpha elegans, a synonym for Polycyrtus vierecki, a species (Gelinae, Cryptini) found in Peru

Subfamily Campopleginae, tribe Limneriini

• Campoplex elegans, a synonym for Dusona elegans, a parasitic wasp found in Tanzania
• Cymodusa elegans , a synonym for Nemeritis elegans, a parasitic wasp found in Europe

Superfamily Platygastroidea

• Calliscelio elegans (syn. Caloteleia elegans), a parasitoid wasp (Platygastridae) found on the Hawaiian island of Oʻahu

Superfamily Chalcidoidea (chalcid wasps)

• Cerachalcis elegans or Cratocentrus elegans, synonyms for Cratocentrus ruficornis, a species (Chalcididae) found in Namibia, South Africa and Zimbabwe
• Chaetospila elegans or Choetospila elegans, synonyms for Theocolax elegans, a parasitic wasp (Pteromalidae) of immature stages of stored grain pest insects
• Cheiloneurus elegans (syn. Cleonymus elegans), a parasitic wasp (Encyrtidae)
• Chrysolampus elegans, a species (Perilampidae) with a Nearctic distribution
• Cosmocoma elegans, a synonym for Polynema howardii, a species of fairyflies or fairy wasps (Mymaridae) with a Nearctic distribution

Superfamily Chrysidoidea

Family Chrysididae (cuckoo wasps)

• Chrysis elegans, a species (Chrysidinae) found in southern Europe
• Cleptes elegans, a synonym for Cleptes semicyaneus, a species (Cleptinae) found in Europe

Suborder Rhopalocera (butterflies)

Superfamily Papilionoidea

Family Lycaenidae (gossamer-winged butterflies)

• Catapaecilma elegans, the common tinsel, a species found in Asia

Family Nymphalidae (brush-footed butterflies)

• Clossiana elegans, a synonym for Boloria improba improbula
• Cyrestis elegans, a synonym for Cyrestis camillus elegans, a species (Cyrestinae) known from Madagascar

Family Pieridae

• Colias elegans, a synonym for Colias phicomone, the mountain clouded yellow, a species (Coliadinae) found in the Cantabrian Mountains, the Pyrenees, the Carpathian Mountains and the Alps

Superfamily Hesperioidea

Family Hesperiidae (skipper butterflies)

• Callimormus elegans, a synonym for Callimormus radiola elegans, a subspecies of the radiant skipper (Hesperiinae) found in southern Mexico, Ecuador, Brazil, Colombia and Argentina
• Chapra elegans, a species
• Cobalopsis elegans, a species (Hesperiinae) found in Ecuador

Division Ditrysia

Superfamily Pyraloidea (pyraloid moths)

Family Pyralidae (snout moths)

• Cacozelia elegans, a species found in Venezuela

Family Crambidae (grass moths)

• Circobotys elegans, a species found in Taiwan
• Crambus elegans, a synonym for Microcrambus elegans, the elegant grass-veneer moth, a species (Crambinae) found in North America
• Cryptographis elegans, a species (Pyraustinae) found in Puerto Rico

Superfamily Gelechioidea (curved-horn moths)

• Cacogamia elegans, a synonym for Tisis elegans, a species (Lecithoceridae) found on Java
• Coleophora elegans, a species (Coleophoridae) found in Africa

Superfamily Zygaenoidea

Family Limacodidae (slug moths)

• Casphalia elegans, a species found in Ghana
• Compsopsectra elegans, a species found in the Philippines
• Cyrtosia elegans, a synonym for Packardia elegans, the elegant tailed slug moth, a species (Limacodinae) found in Canada and the United States

Superfamily Lasiocampoidea

• Catalebeda elegans, an eggar (Lasiocampidae) found in Africa

Section Cossina

Subsection Cossina

Superfamily Cossoidea

Family Cossidae (carpenter millers)

• Callocossus elegans, a synonym for Eulophonotus elegans, a species (Zeuzerinae) found in Sierra Leone, Cameroon, the Republic of the Congo, Equatorial Guinea and Tanzania
• Costria elegans, a species (Cossinae) found in South America

Superfamily Tortricoidea, family Tortricidae (tortrix moths)

• Cochylimorpha elegans, a species (Tortricinae) found in Iran

Subsection Bombycina

Superfamily Bombycoidea (bombycoid moths)

Family Sphingidae (hawk moths)

• Callionima elegans, a synonym for Callionima grisescens, a species (Macroglossinae)
• Chaerocampa elegans, a synonym for Hippotion echeclus, a species (Macroglossinae) found in Southeast Asia

Superfamily Geometroidea

Family Geometridae (geometer moths)

Subfamily Ennominae

• Callhistia elegans, a species (Boarmiini)
• Cleora elegans, a synonym for Cleora leucophaea, a species found in Russia, Taiwan, Japan and South Korea
• Colpocraspeda elegans, a species found in Papua New Guinea

Subfamily Larentiinae

• Coenocalpe elegans, a species (Melanthiini) found in North America

Superfamily Noctuoidea

Family Noctuidae (owlet moths)

• Chersotis elegans, a species found in the mountains of Spain, Greece, Turkey, the Caucasus and Lebanon
• Chytonix elegans, a species from Costa Rica
• Conistra elegans, a species
• Cosmodes elegans, the green-blotched moth, a species found in Australia and New Zealand

Family Erebidae

Subfamily Arctiinae (tiger moths)

• Correbia elegans a species (Euchromiina) found in Panama
• Correbidia elegans, a species found in Mexico and Panama
• Cosmosoma elegans, a species found in Brazil

Subfamily Lymantriinae

• Calliteara elegans, a synonym for Mpanjaka elegans, a species (Lymantrini) found in Madagascar

Family Nolidae (tuft moths)

• Cacyparis elegans, a species found in the Solomon Islands

• Caliris elegans, a species found in Malaysia, Sumatra and Borneo
• Calofulcinia elegans, a species found in New Guinea

Family Ascalaphidae (owlflies)

• Cordulecerus elegans, a species found in South America

Family Chrysopidae (green lacewings)

• Ceraeochrysa elegans, a species found in Costa Rica
• Chrysopidia elegans, a species found in China and Nepal

Family Myrmeleontidae (antlions)

• Creoleon elegans, a species (Myrmeleontinae) found in Iran

Suborder Epiprocta

• †Campterophlebia elegans, an extinct species (†Campterophlebiidae) from the Jurassic of Germany

Suborder Zygoptera (damselflies)

• Chlorolestes elegans, a sylph (Synlestidae) found in Botswana, Malawi, Mozambique, South Africa and Zimbabwe
• Calopteryx elegans, a synonym for Calopteryx angustipennis, the Appalachian jewelwing, a species (Calopterygidae) endemic to the United States

• Calephorus elegans, a synonym for Calephorus compressicornis, French name: Criquet des dunes, a species found in France, Spain and Africa
• Caryanda elegans (Bolívar, 1911), a synonym for Caryanda modesta, a species
• Caryanda elegans Bolívar, 1918, a synonym for Caryanda neoelegans, a species
• Cataloipus elegans, a synonym for Cataloipus cognatus, a species found in Asia (India, Pakistan) and Africa (Mozambique, Zimbabwe, South Africa)
• Catantops elegans or Cryptocatantops elegans, synonyms for Cryptocatantops debilis, a species (Catantopini) found in Namibia
• Chitaura elegans, a species found in Indo-Malaysia
• Chlorizeina elegans, a synonym for Chlorizeina unicolor unicolor, a species found in Asia
• Chloromastax elegans, a synonym for Apteropeoedes elegans, a species found in Madagascar
• Chortoicetes elegans, a synonym for Chortoicetes terminifera, the Australian plague locust
• Clinocephalus elegans, a synonym for Dichromorpha elegans, the short-winged grasshopper
• Cyphocerastis elegans, a species found in Africa

• Ceuthophilus elegans, a cave cricket found in the United States
• Clonia elegans, a synonym for Clonia melanoptera, the giant black-winged clonia, a predatory katydid found in South Africa
• Coptaspis elegans, a bush cricket found in Australia

• Caecilius elegans, a synonym for Valenzuela elegans, a species of lizard barklice (Caeciliusidae) found in Haiti and the Hispaniola island
• Campanulotes elegans, a species parasite on the brush bronzewing, a bird in the pigeon family endemic to Australia
• Colpostigma elegans, a synonym for Thyrsopsocus elegans, a species (Psocidae) found in Brazil
• Compsocus elegans, a species (Compsocidae) found in Central America

• †Cretapsyche elegans, an extinct species (Dysoneuridae) from the Late Cretaceous of Myanmar

• Cryptopygus elegans, a slender springtail (Entomobryidae) found in Argentina

• †Congestheriella elegans, an extinct species of branchiopods (†Afrograptidae) from the Upper Jurassic

• Calanus elegans, a synonym for Calanus finmarchicus, a species (Calanidae) part of zooplankton found in enormous amounts in the northern Atlantic Ocean
• Calocalanus elegans, a marine species (Calocalanidae) found in the Canaries, Indian Ocean, Mediterranean Sea, Red Sea and sub-Antarctic waters
• Centropages elegans, a marine species (Centropagidae)

• Cyclopinodes elegans (syn. Cyclopina elegans or Cyclopinoides elegans), a marine species (Cyclopinidae) found in Scotland
• Cyclops elegans, a freshwater species (Cyclopidae)

• Caligus elegans or Caligulus elegans, synonyms for Caligus curtus, a sea louse (Caligidae) parasite of the Atlantic cod
• Collocheres elegans, a species (Asterocheridae) found in the British Isles and western Norway infesting the black brittle star

• Cancricepon elegans (syn. Cepon elegans), a species that parasitises the crab Pilumnus hirtellus from French and Great Britain's waters
• Clianella elegans, a synonym for Dynoides elegans, a species found in California
• Cymothoa elegans, a parasitic species found in the Java Sea

• Chalarostylis elegans
• Cyclaspis elegans

• Calcinus elegans, the elegant hermit, a hermit crab (Diogenidae) found in the Indo-West Pacific region
• †Callianassa elegans, an extinct species (Callianassidae) from Java
• Choniognathus elegans, a crab (Majidae) found in South Africa
• Cuapetes elegans, a shrimp (Palaemonidae)

• Caprellinoides elegans

• Conchoecia elegans, a synonym for Discoconchoecia elegans, a species (Halocypridae) found in Norway

• †Cystomatochilina elegans, an extinct species (†Eurychilinidae) from the Silurian of central Bohemia, Czech Republic

Family Cytheridae

• †Cytherideis elegans, an extinct species from the Quaternary of Sicily

Family Cyprididae

• Chlamydotheca elegans, a freshwater species (Cypridinae) found in Colombia
• Cypricercus elegans, a freshwater species (Cypricercinae) found in Colombia

Family Leptocytheridae

• Callistocythere elegans (syn. Cythere elegans), a species from the Gulf of Naples, Italy

Infraorder Mygalomorphae (mygalomorphs)

Family Dipluridae (funnel-web tarantulas)

• Caledothele elegans, a species found in New Caledonia
• Cethegus elegans, a species found in Queensland

Family Theraphosidae (tarantulas)

• Cyriocosmus elegans, a species found in Venezuela, Trinidad and Tobago

Infraorder Araneomorphae (araneomorphs)

Family Eutichuridae

• Cheiracanthium elegans, a species found in Europe and Central Asia

Family Gnaphosidae (ground spiders)

• Camillina elegans, a species found in the Caribbean, in Angola and in the Pacific Islands
• Cesonia elegans, a species found on St. Vincent, Dominica

Family Linyphiidae (sheet weavers)

• Cnephalocotes elegans, a synonym for Silometopus elegans, a species found in Europe

Family Salticidae (jumping spiders)

• Chalcoscirtus elegans, a synonym for Rogmocrypta elegans a species (Hisponinae) found in New Caledonia and the Philippines
• Cyrene elegans, a synonym for Phiale elegans, a species found in Panama

Family Stiphidiidae (sheetweb spiders)

• Cambridgea elegans, a species found in New Zealand

Family Tetragnathidae (long-jawed orb weavers)

• Callinethis elegans, a synonym for Opadometa fastigata, the pear-shaped leucauge, a species (Leucauginae) found in India to the Philippines and Sulawesi

Family Theridiidae

• Chrysso elegans, a synonym for Chrysso albomaculata, a species found in the United States, the West Indies to Brazil

Superfamily Cheliferoidea, family Chernetidae

• Chelifer elegans, a synonym for Mesochernes elegans, a species found in Venezuela
• Chrysochernes elegans, a species found in New Mexico, United States

Superfamily Cheiridioidea

• Cryptocheiridium elegans (syn. Cubanocheiridium elegans), a species (Cheiridiidae) found in Cuba

Superfamily Chthonioidea

• Cryptoditha elegans, a species (Tridenchthoniidae) found in Brazil

Superfamily Garypoidea

• Calocheiridius elegans, a species (Olpiidae) found in India

• Caelopygus elegans, a species found in Brazil
• Carinostoma elegans, a species found in Hungary
• Cereatta elegans, a species found in Cameroon

• Centruroides elegans (syn. Centrurus elegans), a species (Buthidae) found in Mexico
• †Compsoscorpius elegans, an extinct species from the Carboniferous of France and the United Kingdom

• Colopalpus elegans, a synonym for Tenuipalpus elegans, a flat mite (Tenuipalpidae)
• Cubanohydracarus elegans, a species (Hungarohydracaridae) found in Cuba

• †Conocephalites elegans, a synonym for †Bailiaspis elegans, an extinct species (†Conocoryphidae) from the Cambrian
• †Coronocephalus elegans, an extinct species (†Encrinuridae) from the Silurian of China
• †Costonia elegans, a species (†Trinucleidae) from the Ordovician of South Shropshire, England
• †Cyclagnostus elegans, a synonym for Acmarhachis elegans, an extinct species (†Agnostidae) from the Upper Cambrian of the USSR

• Cormocephalus elegans, a species (Scolopendridae) found in North Africa

Clade Caenogastropoda

Superfamily †Paleostyloidea

• †Cheilotomona elegans, an extinct marine species (†Goniasmatidae) from the Triassic of Guizhou Province, China

Clade Architaenioglossa, superfamily Cyclophoroidea

• †Craspedopoma elegans, an extinct species (Craspedopomatidae or Maizaniidae) from the Miocene of Germany
• Cyclophorus elegans, a species (Cyclophoridae) found in China
• Cochlostoma elegans, a land snail (Cochlostomatidae) found on the island of Pag in Croatia

Clade Hypsogastropoda

Clade Littorinimorpha

• Capulus elegans (syn. Capula elegans), a sea snail (Capulidae)
• Constantia elegans, a sea snail (Vanikoridae) found in Japan
• Cyclostoma elegans, a synonym for Pomatias elegans, the round-mouthed snail, a land snail (Pomatiidae) common in southern Europe
• Cyclostrema elegans, a synonym for Adeorbis elegans, a sea snail (Tornidae)
• †Cypraedia elegans (syn. Cypraea elegans or Cypraeovula elegans), a sea snail (Pediculariidae) from the Eocene Europe

Superfamily Naticoidea

• Choristes elegans, a synonym for Amauropsis islandica, the Iceland moonsnail, a predatory sea snail (Naticidae)

Superfamily Rissooidea

• Caecum elegans, a synonym for Caecum trachea, a minute sea snail (Caecidae) found on rocky shores in European waters
• Cingula elegans, a synonym for Peringiella elegans, a species (Rissoidae)

Superfamily Stromboidea

• †Chenopus elegans, a synonym for †Digitolabrum elegans, an extinct species (Aporrhaidae) from the Eocene of Egypt

Clade Neogastropoda

• Cancellaria elegans, a synonym for Merica elegans, the elegant nutmeg, a sea snail (Cancellariidae) found off the Philippines, Indonesia, western Thailand and Queensland
• Coronium elegans, a sea snail (Muricidae) found off the southeastern coast of Brazil
• Cryptospira elegans, a sea snail (Marginellidae) found in Asia

Superfamily Buccinoidea

• Cantharus elegans, a true whelk (Buccinidae) found in Panama and Mexico
• Columbella elegans, a synonym for Cotonopsis turrita, a sea snail (Columbellidae) found in western America

Clade Neogastropoda, superfamily Conoidea

• Cochlespira elegans, a sea snail (Cochlespiridae) found in the Caribbean Sea, the Gulf of Mexico and the Greater Antilles
• Comitas elegans, a sea snail (Turridae)

Family Conidae

• Conasprella elegans (syn. Conus elegans G. B. Sowerby III, 1895), a sea snail found from Somalia to Pakistan and off Western Australia
• Conus elegans Schepman, 1913, a synonym for Conasprella comatosa, a sea snail found in the Pacific Ocean off Japan, the Philippines, northwest Australia, New Caledonia and the Solomon Islands

Family Drilliidae

• Cerodrillia elegans, a sea snail found off Espírito Santo, Brazil

Informal group Ptenoglossa, superfamily Triphoroidea

• Cerithiopsida elegans (syn. Cerithiopsis elegans), a sea snail (Newtoniellidae) found in the Kuril Islands

Clade Sorbeoconcha, superfamily Cerithioidea

• Cerithium elegans, a fossil sea snail (Cerithiidae)

Clade Heterobranchia, clade Euthyneura

• Caloria elegans, a colorful sea slug (Facelinidae) found in European waters
• Chilina elegans, an air-breathing freshwater snail (Chilinidae) found in Chile
• Chromodoris elegans, a synonym for Felimare picta, a sea slug (Chromodorididae) found throughout the Mediterranean Sea and the eastern North Atlantic Ocean
• Chrysallida elegans, a synonym for Liamorpha elegans, a sea snail (Pyramidellidae) found in the European waters
• Coenocharopa elegans, the elegant pinwheel snail, an air-breathing land snail (Charopidae) found in Queensland, Australia

Informal group Opisthobranchia

• Cyerce elegans, a sacoglossan sea slug (Caliphyllidae)

Clade Euopisthobranchia, clade Cephalaspidea

Superfamily Philinoidea

• Chelidonura elegans, a synonym for Chelidonura hirundinina, a sea slug (Aglajidae) found in the western Indo-Pacific and the Caribbean Sea

Clade Panpulmonata, clade Eupulmonata, clade Stylommatophora

Informal group Sigmurethra

Superfamily Clausilioidea

• Columbinia elegans, an air-breathing land snail (Clausiliidae) found in Peru

Superfamily Punctoidea

• †Calogoniodiscus elegans, an extinct species (Discidae) from the Tertiary

Clade Vetigastropoda

• Choristes elegans var. tenera, a synonym for Choristella tenera, a sea snail (Lepetellidae) found in the Atlantic Ocean off New Jersey and North Carolina, United States

Superfamily Seguenzioidea

• †Calliomphalus elegans, an extinct species (Calliotropidae) from the Cretaceous of Siberia

Superfamily Trochoidea

• Calliostoma elegans, a synonym for Laetifautor elegans, a sea snail (Calliostomatidae) found in Japan
• Chunula elegans, a synonym for Liotella elegans, a marine species (Skeneidae) found off the Northern Territory, Australia

• †Caestocorbula elegans, an extinct saltwater clam from the Eocene of Belgium
• †Callista elegans, an extinct clam (Veneridae) from the Eocene of France
• Callocardia elegans, a synonym for Dosinia concentrica, the West Indian dosinia, a species of saltwater clam (Veneridae) found in Caribbean waters
• †Carbonicola elegans, an extinct species of saltwater clams (Anthracosiidae) that lived during the Carboniferous period of the United Kingdom
• †Cavilucina elegans Fischer, 1887, an extinct species (Lucinidae) from the Lutetian of France
• Cavilucina elegans (Deshayes, 1823) or Corbis elegans, a synonym for Fimbria soverbii, a species (Fimbriidae)
• Cetoconcha elegans (syn. Cribrosoconcha elegans), a saltwater clam (Poromyidae)
• Chama elegans, Centrocardita elegans or Cardita elegans (Requien, 1848), synonyms for Centrocardita aculeata, a marine clam (Carditidae) found in the Mediterranean Sea and the European part of the North Atlantic Ocean
• †Clavagella elegans, an extinct marine species (Clavagellidae) from the Cretaceous of Algeria
• †Corbicula elegans, an extinct species of fresh and brackish water clams (Cyrenidae)
• †Corbulamella elegans (syn. Corbula elegans), an extinct clam from the Cretaceous of France
• †Crassostrea elegans (syn. †Cubitostrea elegans), an extinct species of true oysters (Ostreidae)
• †Crenella elegans, an extinct species (Mytilidae) from the Lutecian of France
• Crenatula elegans, a synonym for Crenatula picta, a marine species (Pteriidae) known from Madagascar and the Red Sea
• †Cucullaea elegans, an extinct species of false ark shells (Cucullaeidae) from the north of Germany
• Cumingia elegans, a synonym for Thyellisca lamellosa, a marine clam (Semelidae)
• Cuspidaria elegans, a species (Cuspidariidae) found in Indonesia, the Philippines and the South China Sea
• Cyclas elegans, a synonym for Sphaerium rhomboideum, the rhomboid fingernailclam, a freshwater species (Sphaeriidae) found in North America
• †Cyclocardia elegans (syn. Cardita elegans (Lamarck, 1806)), an extinct clam (Carditidae) from the Eocene of France
• †Cypricardinia elegans, an extinct species (Cardiniidae) from the Devonian of Maryland, United States

• †Cancelloceras elegans, an extinct species (Gastrioceratidae) from the Carboniferous of the Russian Federation, Navada (United States) and Uzbekistan
• †Ceccaisculitoides elegans, an extinct species (Paragoceratidae) from the Triassic of Nevada
• †Cleviceras elegans, an extinct species (Hildoceratidae) from the Early Jurassic of Europe, Siberia and Canada
• †Crendonites elegans, a species from the Upper Jurassic of Greenland
• †Crioceras elegans (probable synonym of †Crioceratites elegans), an extinct species (Crioceratitidae) from the Cretaceous of Germany
• †Crioceratites elegans, an extinct species (Crioceratitidae) from the Early Cretaceous
• †Paraceratites elegans (synonym †Ceratites elegans), an extinct species from the Triassic of China and Israel

• †Cymatoceras elegans, a species (Cymatoceratidae) from the Cretaceous of Switzerland and the United Kingdom

• Chaetoderma elegans, a glisten worm (Chaetodermatidae) found in the eastern Pacific

• Costentalina elegans, a species (Entalinidae) found in Australia and the Indian Ocean

• Craspedochiton elegans (syn. Craspedoplax elegans), a species (Acanthochitonidae)

• †Conradella elegans or †Cyrtolites elegans, synonyms for †Phragmolites elegans, an extinct species (†Bucaniidae) from the Ordovician of Ohio

• †Callocladia elegans, an extinct species (†Crustoporidae) from the Devonian or Carboniferous of the Park City Formation in Idaho, Wyoming and Utah
• Carbasea elegans, a species (Flustridae) found in Australia
• Catenicella elegans, a species (Catenicellidae) found in New Zealand
• Characodoma elegans, a species (Cleidochasmatidae) found in the South China Sea
• Cinctipora elegans, a species (Cinctiporidae) found in New Zealand
• †Clausotrypa elegans, an extinct species (Nikiforovellidae) from the Permian of northeast China
• †Coscinium elegans, an extinct species (†Hexagonellidae) from the Paleozoic rocks of the western states and territories of the United States
• †Coscinopleura elegans, an extinct species (Coscinopleuridae) from the Paleocene of Denmark
• Crisia elegans, a species (Crisiidae) from Cape of Good Hope in South Africa
• Cupuladria elegans, a species (Cupuladriidae) from the Nansha Islands sea area
• †Cyrtopora elegans, an extinct marine species from the Cretaceous of Europe
• †Cystodictya elegans, an extinct species (†Cystodictyonidae) from the Upper Carboniferous of Oklahoma, United States

• †Camarotoechia elegans, an extinct species (†Trigonirhynchiidae) from the Ordovician and Silurian of the Siberian platform
• †Caucasorhynchia elegans, an extinct species (Allorhynchidae) known from the Triassic of Slovakia
• †Chonetes elegans L.B. Smyth 1922, a synonym for †Chonetes speciosus, an extinct species (†Chonetidae) found in Ireland
• †Chonetes elegans L. G. de Koninck, 1847, a synonym for †Plicochonetes elegans, an extinct species (†Rugosochonetidae)
• †Cleiothyridina elegans, an extinct species (Athyrididae) from the Mississippian of Oklahoma
• †Craniops elegans, an extinct species (Craniopsidae) from the Ordovician of Estonia
• †Crinistrophia elegans, a synonym for †Douvillinella (Crinistrophia) elegans, an extinct species (†Douvillinidae) from the Devonian of the Czech Republic and Germany
• †Cubanothyris elegans, an extinct species (†Angustothyrididae) from the Triassic of Russian Federation
• †Cyclothyris elegans, an extinct species (†Cyclothyrididae) from the Mastrichian (Upper Cretaceous) of Belgium

• Cyanonemertes elegans, a marine species from Washington state, United States

• Chrysopetalum elegans, a synonym for Bhawania goodei, a species (Chrysopetalidae) found in tropical waters around the world
• Corephorus elegans, a synonym for Terebellides stroemii, a species (Terebellidae)

• Callidina elegans, the graceful callidina, a freshwater species (Adinetidae)
• Cephalodella elegans, a species (Notommatidae) found on Mount Desert Island, in Hancock County, Maine, United States

• Calceostoma elegans, a synonym for Calceostoma calceostoma, a species (Calceostomatidae) parasite of the brown meagre (Sciaena umbra) in the Mediterranean

• Cicerina elegans, a species (Cicerinidae) from the bay of Great Peter of the Sea of Japan

Cercarial forms

Cercaria can be used as a genus to specify the larval form of a species. Cercaria elegans may refer to such species as Bucephalus elegans or Plagiorchis elegans or Transversotrema elegans

• Cercaria elegans (Hong Kong larval trematode) Tang, 1992 nec Mueller in La Valette, 1855, the cercarial form of a species of trematodes parasite of marine bivalves in Hong Kong, listed at Cercaria (genus)

• Choanocotyle elegans, a species (Choanocotylidae) that infects Australian freshwater turtles

• Cylindrostoma elegans, a synonym for Pseudostomum klostermanni, a marine species (Pseudostomidae) found in the Black and Mediterranean seas and in the European waters of the North Atlantic Ocean

• Chaetonotus elegans, a species (Chaetonotidae) found in freshwaters of Europe

• †Conochitina elegans, an extinct species (Conochitinidae) of the Silurian of the Baltic Sea

• Coniocarpon elegans, a synonym for Arthonia elegans, a lichen (Arthoniaceae)

• Capnodium elegans, a synonym for Acrogenotheca elegans, a species (Capnodiaceae) found in Australia and New Zealand
• Cladosporium elegans, a plant pathogen (Davidiellaceae) found on leaves of oranges in Italy

• Chaetothyriothecium elegans, a species (Microthyriaceae) found in central Thailand

• Campsotrichum elegans, a synonym for Periconia elegans, a species (incertae sedis)
• Cheiromoniliophora elegans, a species (incertae sedis)

• Chitonomyces elegans, a species
• Corethromyces elegans, a species found on Rhexius inculptus (ant-loving beetles) in the United States
• Cryptandromyces elegans, a species found in the Netherlands
• Cucujomyces elegans, a species found in Argentina

• Caloplaca elegans or Callopisma elegans, synonyms for Xanthoria elegans, a species of lichenized fungi (Teloschistaceae) with a circumpolar and alpine distribution

• Cenomyce elegans, a species of lichenized fungi (Cladoniaceae)

• Chiliospora elegans, a synonym for Myriospora elegans, a species of lichenized fungi (Acarosporaceae)

• Coccocarpia elegans, a species of lichenized fungi (Coccocarpiaceae) found in Brazil

• Cornularia elegans, a species (Dermateaceae) found in Italy

• Candelabrella elegans, a synonym for Arthrobotrys elegans, a species (Orbiliaceae) found on dung

• Canalisporium elegans, a lignicolous species (incertae sedis) found in Malaysia

• Chaetosphaeria elegans, a species (Chaetosphaeriaceae)

• Cytospora elegans, a species (Valsaceae)

• Ceratopodium elegans, a species (Microascaceae)
• Chalara elegans, a synonym for Thielaviopsis basicola, a plant pathogen (Ceratocystidaceae)

• Cladobotryum elegans, a species

• Cephalodiplosporium elegans, a species
• Corallomycetella elegans (syn. Corallomyces elegans), a parasite of the rubber, tea and cacao trees
• Cylindrocladiella elegans, a species

• Catenospegazzinia elegans, a species found in Western Australia
• Cephalosporium elegans, a synonym for Botryosporium pulchrum, a plant pathogen that causes leaf mold in geraniums
• Ceratosporella elegans, a synonym for Ceratosporella bicornis, a species
• Collemopsidium elegans, a lichenized fungus found in Europe and in North and South America
• Corethropsis elegans, a species found in association with the sugarcane in Argentina
• Corynesporina elegans, a species

• Calcarisporium elegans a species (Catathelasmataceae) known from São Tomé and Príncipe
• Clitocybe elegans, a synonym for Armillaria heimii, a species (Physalacriaceae) that causes root rot on tea trees in eastern Africa
• Collybia elegans a synonym for Marasmius elegans, the velvet parachute, a species (Marasmiaceae) found in eucalypt forests in Australia
• Conocybe elegans, a species (Bolbitiaceae) found in Denmark
• Cortinarius elegans, a species (Cortinariaceae)
• Cyathus elegans, a synonym for Cyathus stercoreus, the dung-loving bird's nest, a species (Nidulariaceae)
• Cystodermella elegans (syn. Cystoderma elegans), a species (Agaricaceae) found in the Congo
• Cyphella elegans (syn. Chaetocypha elegans), a species (Cyphellaceae), possibly an unavailable name

• Coniophora elegans, a species (Coniophoraceae)
• Cricunopus elegans, a synonym for Suillus grevillei, Greville's bolete or larch bolete, a species (Suillaceae) found in Europe and Asia

• Cantharellus elegans Saut., 1841, a mushroom, possibly an unavailable name
• Craterellus elegans, a species

• Clavaria elegans, a synonym for Clavulina cristata, a species

• Caromyxa elegans, Caryomyxa elegans or Corynites elegans, synonyms for Mutinus elegans, the elegant stinkhorn, the dog stinkhorn, the headless stinkhorn or the devil's dipstick, a species (Phallaceae) found in Japan, Europe and eastern North America
• Colus elegans, a synonym for Pseudocolus fusiformis, the stinky squid, a species (Phallaceae) found in the United States, Australia, Japan, Java and the Philippines

• Cantharellus elegans Berk. & Broome, 1875, a synonym for Merulius berkeleyi, a species (Meruliaceae)
• Cymatoderma elegans (syn. Cladoderris elegans), a species (Meruliaceae) found in Indonesia

• Cyrenella elegans, a fungus (order incertae sedis)

• Caeoma elegans, a species (not yet assigned to a family)
• Caeomurus elegans or Coeomurus elegans, synonyms for Uromyces elegans, a species (Pucciniaceae)

• Coelomomyces elegans, a species (Coelomomycetaceae) found on Culex gelidus in Sri Lanka

• Chytridium elegans, a species (Chytridiaceae)
• Chytriomyces elegans, a saprophytic species (Chytriomycetaceae)

• Cladochytrium elegans, a synonym for Nowakowskiella elegans, a species (Cladochytriaceae)

• Chaetocladium elegans, a species
• Chaetostylum elegans , a synonym for Helicostylum elegans, a species

• Cunninghamella elegans, a species found in soil and also used as a model of mammalian xenobiotics metabolism

• Callonema elegans, a synonym for Stylonema alsidii (Stylonemataceae), a marine species with a worldwide distribution

• Calocladia elegans, a synonym for Delisea elegans, a species (Bonnemaisoniaceae)

• Callithamnion elegans, a synonym for Gymnothamnion elegans, a species (Wrangeliaceae) found in South Africa
• Capraella elegans, a synonym for Martensia elegans, a species (Delesseriaceae) found in South Africa
• Ceramium elegans or Conferva elegans, synonyms for Ceramium diaphanum var. elegans, a red alga (Ceramiaceae)

• Colaconema elegans, a marine species (Colaconemataceae) found in Korea, California and Brazil

• Chondracanthus elegans, a red alga (Gigartinaceae)
• Claudea elegans, a marine species (Delesseriaceae) found in tropical waters in Australia, India, Pakistan and Brazil

• Cruoriella elegans, a species (Peyssonneliaceae) found in the southern islands of Japan

• Cheilosporum elegans, a synonym for Jania cultrata, a species (Corallinoideae)
• Corallina elegans, a species (Corallinoideae) from the Mediterranean Sea and the North Atlantic Ocean
• Corallina elegans Lenormand ex Areschoug, 1852, a synonym for Jania rubens var. corniculata, a subspecies (Corallinoideae)

• Chaetophora elegans, a species (Chaetophoraceae)
• Chara elegans, a species (Characeae)
• Chlorosarcina elegans, a terrestrial species (Chlorosarcinaceae)
• Cladophora elegans f. major, a synonym for Cladophora vagabunda, a marine species (Cladophoraceae) with a worldwide distribution
• Chlamydobotrys elegans, a synonym for Pyrobotrys elegans, a species (Spondylomoraceae)
• Chlamydomonas elegans, a freshwater species (Chlamydomonadaceae)
• Chlorogonium elegans, a species (Haematococcaceae)

• Closterium elegans, a synonym for Closterium setaceum, a species (Closteriaceae) with a worldwide distribution
• Cosmarium elegans, a synonym for Cosmarium tetragonum var. elegans, a subspecies (Desmidiaceae)
• Conjugata elegans, a species (Zygnemataceae)

• Cephaloziella elegans (syn. Cephalozia elegans), a species (Cephaloziellaceae) found in the Russian Federation
• Ceramanus elegans, a leafy liverwort (Lepidoziaceae) found in New Zealand
• Cololejeunea elegans, a species (Lejeuneaceae) found in Cameroon

• Chaetomitrium elegans, a species (Symphyodontaceae)
• Cleistostoma elegans, a synonym for Dendropogonella rufescens, a species (Cryphaeaceae) found in South America

• Cyclosorus elegans, a species (Thelypteridaceae) found in China

• †Cycadophyllum elegans, an extinct species from the Triassic of Germany

Family †Cyclopteridaceae

• †Cyclopteris elegans Lesquereux, 1854, an extinct species from the Carboniferous of Pennsylvania, United States
• †Cyclopteris elegans Unger, 1856
• †Cyclopteris elegans Achepohl, 1883, an extinct species from Westphalia, Germany

• Castalia elegans, a synonym for Nymphaea elegans, the tropical royalblue water-lily, an aquatic plant (Nymphaeaceae) found in Louisiana, Florida and Texas in the United States, in Oaxaca in Mexico and in Antioquia in Colombia

Family Asteraceae

Subfamily Asteroideae

• Calea elegans, a synonym for Perymenium acuminatum, a species (Heliantheae) found in Mexico
• Calostelma elegans, a synonym for Liatris elegans, the pinkscale gayfeather, pinkscale blazingstar or elegant blazingstar, a species (Eupatorieae) native to the southeastern United States
• Calycadenia elegans, a synonym for Calycadenia pauciflora, the smallflower western rosinweed, a species (Madieae) found in California
• Chaetopappa elegans, a synonym for Ionactis elegans, the Sierra Blanca least-daisy, a species (Astereae) found only in New Mexico in the western United States
• Chevreulia elegans, a synonym for Chevreulia acuminata, a species (Gnaphalieae) found in South America
• Chrysothamnus elegans, a synonym for Chrysothamnus viscidiflorus subsp. lanceolatus, the yellow rabbitbrush or green rabbitbrush, a species (Astereae) found in North America
• Coreopsis elegans or Calliopsis elegans, two synonyms for Coreopsis tinctoria, the plains coreopsis, a species (Coreopsideae) common to much of the United States
• Crassina elegans, a synonym for Zinnia elegans, a species (Heliantheae) native to Mexico

Subfamily Carduoideae

• Centaurea elegans, a synonym for Centaurea cineraria, the velvet centaurea, a species (Cynareae) found in Italy
• Cousinia elegans, a synonym for Cousinia multiloba, a species (Cynareae) found in Afghanistan

Subfamily Cichorioideae

• Cacalia elegans, a synonym for Lessingianthus elegans, a species (Vernonieae) found in Bolivia
• Crepis elegans, a synonym for Askellia elegans, the elegant hawksbeard, a species (Cichorieae) found in North America

Subfamily Mutisioideae

• Chaetanthera elegans, a species (Mutisieae) found in Chile
• Clarionea elegans, a synonym for Perezia magellanica, a species (Nassauvieae) found in Argentina and Chile

Family Campanulaceae

• Campanula elegans, a species (Campanuloideae)
• Clintonia elegans, a synonym for Downingia elegans, the elegant calicoflower or Californian lobelia, a species (Lobelioideae) native to western North America from California to British Columbia

• Caldenbachia elegans, a synonym for Stenandrium pohlii, Portuguese names caiapiá or carapiá, a species (Acanthaceae) native to the Cerrado and Pantanal vegetation of Brazil
• Callitriche elegans, a synonym for Callitriche palustris, the spiny water starwort, a species of aquatic plants (Plantaginaceae)
• Castilleja elegans, the elegant Indian paintbrush, a herbaceous plant (Orobanchaceae) found in Canada
• Chionanthus elegans, a synonym for Chionanthus crassifolius, a species (Oleaceae) found in Brazil
• Citharexylum elegans, a synonym for Rhaphithamnus venustus, the Juan Bueno, a species (Verbenaceae) endemic to the Juan Fernández Islands, an archipelago west of Chile
• Clytostoma elegans, synonym of Bignonia noterophila

Family Gesneriaceae

• Chirita elegans, a synonym for Primulina swinglei, a species found in China and Vietnam
• Codonanthe elegans, a species found in Belize
• Columnea elegans, a synonym for Columnea minor, a species found in Ecuador
• Cyrtandra elegans, a species found in Indonesia and Papua New Guinea

Family Lamiaceae

• Callicarpa elegans, synonym of Callicarpa micrantha, a species found in the Philippines
• Colquhounia elegans, a shrub found in Asia
• Condea elegans, a species (Nepetoideae) found in South America

Family Apocynaceae

• Capuronetta elegans, a synonym for Tabernaemontana capuronii, a species (Rauvolfioideae) found in Madagascar
• Centrostemma elegans or Cyrtoceras elegans, synonyms for Hoya celebica, a species (Asclepiadoideae) found in Indonesia
• Ceropegia elegans, a species found in India and Sri Lanka
• Conopharyngia elegans, a synonym for Tabernaemontana elegans, the toad tree, a species (Rauvolfioideae) found eastern Africa
• Cryptolepis elegans, a synonym for Cryptolepis sinensis, a species
• Cynanchum elegans, the white-flowered wax plant, a species found in New South Wales in Australia

Family Rubiaceae

• Cleisocratera elegans, a synonym for Saprosma elegans, a species (Rubioidea) found in Indonesia
• Condaminea elegans, a species found in Peru
• Coprosma elegans, a species found in New Guinea

Nightshades (family Solanaceae)

• Calibrachoa elegans, a plant found in Minas Gerais in Brazil
• Cestrum elegans, the purple cestrum, a plant (Cestroideae)

Family Convolvulaceae

• Convolvulus elegans, a synonym for Bonamia elegans, a plant found in Myanmar
• Cuscuta elegans, a synonym for Cuscuta babylonica var. elegans, a species found in Iraq and Turkmenistan

Family Apiaceae

• Carum elegans, a synonym for Bunium elegans, a species (Apioideae, Pyramidoptereae) found in Syria
• Chaerophyllum elegans, a species (Apioideae, Scandiceae, Scandicinae) found in the Alps from Switzerland, France and Italy
• Cryptotaenia elegans, also known in Spanish as perejil de Monteverde (parsley of Monteverde), a species (Apioideae, Oenantheae) endemic to the Canary Islands

• Chrysophyllum elegans Raunk. ex Warm., a synonym for Chrysophyllum flexuosum, a tree (Sapotaceae) found in Brazil
• Chrysophyllum elegans (Vink) Baehni, a synonym for Pycnandra decandra subsp. coriacea, a tree (Sapotaceae) found in New Caledonia
• Cleyera elegans, a synonym for Freziera undulata, a species (Pentaphylacaceae) found in the Caribbean
• Cyclamen elegans, a plant (Primulaceae) found in northern Iran and southeastern Azerbaijan

• †Celastrinites elegans, an extinct species (Celastraceae) from the Eocene Florissant fossil bed of Colorado

Family Cistaceae

• Cistus elegans, a synonym for Cistus salviifolius, the sage-leaved rock-rose, salvia cistus or Gallipoli rose, a species native to the Mediterranean region, in southern Europe and parts of western Asia and North Africa

Family Malvaceae

• Callianthe elegans, a plant (Malveae) found in Brazil
• Cola elegans, a species of trees (Sterculioideae) found in Gabon
• Cristaria elegans, a plant native to Chile

Family Myrtaceae

• Calyptranthes elegans, a species found in the Lesser Antilles
• Calyptromyrcia elegans, a synonym for Myrcia guianensis, the pedra-ume-caá, a species (Myrtoideae) found in South America
• Carpolepis elegans, a synonym for Metrosideros elegans, a tree endemic to New Caledonia
• Caryophyllus elegans, a synonym for Syzygium elegans, a species found in New Caledonia

Family Melastomataceae

• Carionia elegans, a species
• Clidemia elegans, a synonym for Clidemia hirta, the soapbush or Koster's curse, an invasive species found in many tropical regions of the world

Other families

• Clarkia elegans, a synonym for Clarkia unguiculata, the elegant clarkia, a species (Onagraceae) found in California
• Combretum elegans, a synonym for Combretum rotundifolium, the monkey brush, a species (Combretaceae) found in South America
• Crypteronia elegans, a tree (Crypteroniaceae) found in Sarawak
• Cuphea elegans, a species (Lythraceae) native to Brazil

Family Fabaceae (legumes)

• Calliandra elegans, a species (Mimosoideae) found in Brazil
• Callisemaea elegans, a species found in Mesoamerica
• Cassia elegans, a synonym for Senna septemtrionalis, the arsenic bush, a species (Caesalpinioideae)
• Cavaraea elegans, a synonym for Tamarindus indica, the tamarind, a species (Detarioideae) indigenous to tropical Africa
• Chamaefistula elegans, a synonym for Senna obliqua, a species (Caesalpinioideae, Cassieae) found in Peru
• Chesneya elegans, a species (Faboideae) found in Turkey
• Chorizema elegans, a synonym for Chorizema varium, a species (Faboideae) found in Australia
• Coronilla elegans, a synonym for Securigera elegans, a species
• Crotalaria elegans, a synonym for Crotalaria peduncularis, a species (Faboideae, Crotalarieae) found in India
• Cryptosepalum elegans, a species (Caesalpinioideae) found in Angola

Family Casuarinaceae

• Casuarina elegans, a synonym for Allocasuarina littoralis, the black sheoak, black she-oak or river black-oak, a species endemic to Australia

Family Salicaceae

• Casearia elegans, a synonym for Casearia bartlettii, a species found in Belize and Guatemala

Family Euphorbiaceae

• Chamaesyce elegans, a synonym for Euphorbia elegans, a species (Euphorbioideae)
• Claoxylon elegans, a synonym for Claoxylon longifolium, a species (Acalyphoideae) found in Assam, Southeast Asia, New Guinea and Caroline Islands

Crotonoids (subfamily Crotonoideae)

• Codiaeum elegans, a synonym for Codiaeum variegatum, the garden croton or variegated croton, a plant (Codiaeae) native to Indonesia, Malaysia, Australia and the western Pacific Ocean islands
• Croton elegans, a synonym of Croton ferrugineus, a shrub (Crotoneae) native to western South America and northern Brazil

Family Calophyllaceae

• Calophyllum elegans, a tropical tree found in Asia
• Clusiella elegans, a species found in Colombia

• Capparis elegans (syn. Capparidastrum elegans), a species (Capparaceae) found in Brazil
• Corynandra elegans, the elegant spider-flower, a species (Cleomaceae) found in the Konkan region of Maharashtra, India

Family Brassicaceae (crucifers)

• Capsella elegans, a synonym for Capsella bursa-pastoris, the shepherd's purse, a species native to eastern Europe and Asia Minor but naturalized elsewhere
• Chorispora elegans or Chorispermum elegans, synonyms for Chorispora sabulosa, a species found in China and Pakistan
• Clypeola elegans, a species found in Turkey

Family Rhamnaceae

• Ceanothus elegans, a synonym for Ceanothus thyrsiflorus, the blueblossom or blue blossom ceanothus, a species endemic to California

Family Rosaceae

• Chabertia elegans, a species
• Coluria elegans, a synonym for Coluria longifolia, a species (Rosoideae) found in China
• Cotoneaster elegans, a species (Amygdaloideae) found in China
• Crataegus elegans, a synonym for Crataegus monogyna, the common hawthorn or single-seeded hawthorn, a species (Amygdaloideae) native to Europe, northwest Africa and western Asia

Family Burseraceae

• Canarium elegans, a species found in Madagascar

Family Rutaceae

• Conchocarpus elegans (syn. Cusparia elegans), a species found in Brazil

Family Sapindaceae

• Cardiospermum elegans, a synonym for Cardiospermum grandiflorum, the balloon vine, heart pea or heart seed, a climbing plant found in Argentina and Brazil
• Cupania elegans, a horticultural name (a name that has never been validly published in scientific literature) for a species (Sapindoideae)

Family Geraniaceae

• Campylia elegans, a synonym for Pelargonium elegans, a species found in South Africa

Family Vivianiaceae

• Cissarobryon elegans, a species

Family Vitaceae

• Cissus elegans, a species

Family Begoniaceae

• Casparya elegans, a synonym for Begonia foliosa, a species found in Colombia and Venezuela

Family Cucurbitaceae

• Corallocarpus elegans, a species (Cucurbitoideae) found in Africa
• Cyclanthera elegans, a synonym for Cyclanthera tenuisepala, a species found in Costa Rica

Family Menispermaceae

• Cocculus elegans, a synonym for Cocculus orbiculatus, the queen coralbead, a woody vine found from India east to Java
• Cyclea elegans, a species found in Sumatra, Malaya, Borneo

Family Papaveraceae

• Corydalis elegans (syn. Capnoides elegans), a species (Fumarioideae) found in India, China and the western Himalayas

Family Ranunculaceae

• Cheiropsis elegans, a synonym for Clematis cirrhosa, a species (Ranunculoideae)

• Calandrinia elegans E.Vilm. – a synonym of Cistanthe grandiflora (Lindl.) Schltdl. (Montiaceae)
• Calandrinia elegans Spach – a synonym of Calandrinia ciliata (Ruiz & Pav.) DC. (Montiaceae)
• Calligonum elegans, a plant (Polygonaceae) found in Uzbekistan
• Cerastium elegans, a synonym for Cerastium cerastoides, a plant (Caryophyllaceae) found in mountain regions of Europe
• Conophytum elegans, a succulent plant (Aizoaceae)

Family Cactaceae (cacti)

• Cactus elegans Link, a synonym for Disocactus phyllanthoides, a species (Cactoideae, Hylocereeae) native to Mesoamerica
• Cactus elegans (DC.) Kuntze, a synonym for Mammillaria elegans, a species (Cactoideae, Cacteae) native to Mexico
• Cereus elegans, a cactus (Cactoideae, Cereeae)

• Comandra elegans, a synonym for Comandra umbellata, the bastard toadflax, umbellate bastard toadflax or common comandra, a species found in North America and the Mediterranean

• Crassula elegans, the elegant crassula, a plant (Crassulaceae)

Family Lauraceae

• Cinnamomum elegans, a species found in Samoa
• Cryptocarya elegans, a species

Family Arecaceae (palms)

• Calamus elegans, a species (Calamoideae)
• Calyptrocalyx elegans, a species (Arecoideae) found in Papua New Guinea and the nearby Maluku Islands
• Caryota elegans, a species (Coryphoideae, Caryoteae)
• Chamaedorea elegans (syn. Collinia elegans), the neanthe bella palm or parlour palm, a species (Arecoideae, Hyophorbeae) native to the rainforests in southern Mexico and Guatemala
• Chamaerops elegans, a synonym for Chamaerops humilis, the European fan palm or the Mediterranean dwarf palm, a cold-hardy species (Coryphoideae, Trachycarpeae) used in landscaping in temperate climates
• Coccothrinax elegans, a species (Coryphoideae) found in Cuba
• Cyphophoenix elegans, a species found only in New Caledonia
• Cyrtostachys elegans, a species (Arecoideae) endemic to New Guinea

Family Dasypogonaceae

• Calectasia elegans, the elegant tinsel lily, a species found in Western Australia

Family Cyperaceae (sedges)

• Carex elegans, a synonym for Carex limosa, the mud sedge and shore sedge, a species found across North America and Eurasia
• Cyperus elegans, the royal flatsedge, a species from Central and South America

Family Eriocaulaceae

• Comanthera elegans, a species found in Minas Gerais, Brazil

Family Poaceae (bamboos and grasses)

Subfamily Chloridoideae

• Calotheria elegans, a synonym for Enneapogon elegans, a species (Eragrostideae) found in Myanmar and Tamil Nadu, India
• Chloris elegans, a synonym for Chloris virgata, the feather fingergrass or feather windmill grass, a species native to many of the warmer temperate, subtropical and tropical regions of the world
• Ctenium elegans (syn. Campulosus elegans), a species found from Senegal to the Sudan

Subfamily Panicoideae

• Callichloea elegans, a synonym for Elionurus elegans, a species (Andropogoneae) found in Nigeria and Senegal
• Cenchrus elegans, a species (Paniceae) found in Malesia
• Ceresia elegans, a synonym for Paspalum ceresia, a species found in South America
• Cymbopogon elegans, a species

Subfamily Pooideae (cool-season grasses)

• Calamagrostis elegans, a synonym for Calamagrostis eminens, a species (Poeae, Agrostidinae) found in South America
• Calotheca elegans or Chascolytrum elegans, synonyms for Chascolytrum brizoides, a species (Poeae, Brizinae) found in Buenos Aires, Uruguay, Rio Grande do Sul and Biobio
• Cynosurus elegans (syn. Chrysurus elegans), a species (Poeae, Cynosurinae) found in southern Europe, northern Africa, Middle East and Turkmenistan

Subfamily Bambusoideae (bamboos)

• Chusquea elegans, a species (Bambuseae) found in Paraná, Brazil

Family Commelinaceae

• Callisia elegans, a synonym for Callisia gentlei var. elegans, a subspecies (Commelinoideae) found in Oaxaca, Chiapas, Guatemala and Honduras
• Commelina elegans, a synonym for Commelina erecta, the white mouth dayflower or slender dayflower, a perennial herb native throughout the Americas, Africa and western Asia

• Calathea elegans, a plant (Marantaceae) found in Colombia and Panama
• Canna elegans, a synonym for Canna glauca, a species (Cannaceae) from the wetlands of tropical America
• Costus elegans, a synonym for Costus malortieanus, a species (Costaceae) found in Costa Rica, Nicaragua and Honduras

Family Amaryllidaceae

• Crinum elegans, a synonym for Crinum lorifolium, a species (Amaryllidoideae) found in India and Myanmar

Family Asparagaceae

• Caloscilla elegans, a synonym for Scilla peruviana, the Portuguese squill, a species (Scilloideae) native to the western Mediterranean region in Iberia, Italy and northwest Africa

Family Iridaceae

• Crocus elegans, a species (Crocoideae) found in Turkey
• Cypella elegans, a herbaceous plant found in Argentina

Family Orchidaceae (orchids)

Subfamily Orchidoideae (orchidoid orchids)

• Caladenia elegans (syn. Calonema elegans or Calonemorchis elegans), the elegant spider-orchid, a species found in Western Australia
• Chloraea elegans, a species found in Argentine
• Cyclopogon elegans, a species found in Brazil and Argentina
• Cynorkis elegans, a species found in Madagascar

Subfamily Epidendroideae (epidendroid orchids)

• Cattleya elegans, a synonym for Cattleya × elegans, a hybrid (Epidendreae, Laeliinae) found in Brazil
• Cestichis elegans, a synonym for Liparis elegans, a species (Malaxideae) found in Southeast Asia (Indonesia, Papua New Guinea)
• Cirrhopetalum elegans, an epiphytic species (Dendrobieae, Bulbophyllinae) found in Malaya
• Cleisostoma elegans, a synonym for Cleisostoma williamsoni, Williamson's cleisostom, a species (Vandeae) found in Asia
• Crocodeilanthe elegans, a synonym of Stelis roseopunctata
• Cymbidium elegans (syn. Cyperorchis elegans), a species (Cymbidieae) found in southwestern China
• Crepidium elegans, a species (Malaxideae) found in Malesia
• Cyrtopodium elegans, a synonym for Tetramicra canaliculata, a species (Epidendreae, Laeliinae) found in Florida, Hispaniola, Puerto Rico, Trinidad and the Lesser Antilles
• Cephalanthera elegans, a synonym for Cephalanthera erecta, a species (Neottieae, Limodorinae) found in China, Japan, Korea, Kuril Islands, Bhutan, Assam and eastern Himalayas

Subfamily Cypripedioideae (lady's-slippers)

• Cypripedium elegans (syn. Coelogyne elegans), a species found in Nepal and China

Family Liliaceae

• Calochortus elegans (synonym Cyclobothra elegans (Pursh) Benth.), the elegant mariposa lily or cat's ear, a plant found in the western United States from northern California to Montana
• Cyclobothra elegans Torr., a synonym for Calochortus coeruleus, the beavertail grass or blue star tulip, a species endemic to California

Family Cyclanthaceae

• Carludovica elegans, a species found in Peru

• Cephalomanes elegans, a filmy fern (Hymenophyllaceae)

• Callipteris elegans, a synonym for Diplazium fraxinifolium, a species (Athyriaceae) found in Asia
• Cheilanthes elegans, a synonym for Cheilanthes myriophylla, the Central American lace fern, a species (Pteridaceae) native as far south as Argentina
• Colysis elegans, a species (Polypodiaceae) found in China

• Cyathea elegans, a synonym for Cyathea grevilleana, a species (Cyatheaceae) found in Jamaica

Family Cupressaceae

• †Cunninghamites elegans (syn. Cunninghamia elegans), an extinct species from the Late Cretaceous of Europe
• Callitris elegans, a species (Callitroideae) described from Australia

Family Pinaceae

• Cedrus elegans, a synonym for Cedrus libani, the cedar of Lebanon or Lebanon cedar, a species native to the mountains of the eastern Mediterranean basin

• †Circulisporites elegans, a species known from Triassic spores and pollen grains

• Cassidulina elegans, a synonym for Globocassidulina elegans, a marine species (Cassidulinidae) found in the Japanese and New Zealand exclusive economic zones
• †Cibicides elegans, an extinct species (Cibicididae) from the Tertiary of the Dominican Republic
• Cibusoides elegans, a benthonic species (Heterolepidae) from the Pacific Ocean
• †Cyclammina elegans, an extinct species (Cyclamminidae) from the Cretaceous of Trinidad and from New Zealand

• †Cuneolina elegans, an extinct species (†Cuneolinidae) from the Lower Paleogene of Austria

• †Clavulina elegans, a synonym for †Arenodosaria antipodum, an extinct species (Eggerellidae) known from the Miocene of New Zealand

• †Cristellaria elegans, an extinct species (Peneroplidae)

• Clathrocyclas elegans, a species (Theoperidae)
• †Cornutanna elegans, an extinct species from the Miocene of Italy

• †Cana elegans, an extinct species (†Pantanelliidae) from the Cretaceous of northwest Turkey
• †Cenellipsis elegans, a species (incertae sedis) from the Paleocene of western Kuban
• Cromyatractus elegans, a species (incertae sedis) from the northwestern Pacific Ocean

• Clathrulina elegans, a heliozoan species (Clathrulinidae) found in freshwater environments

• Castanidium elegans, a species (Castanellidae) found in the Sargasso Sea and in the current around the Canary Islands

• Chromidina elegans, a species (Opalinopsidae) parasite of the cuttlefish Sepia elegans described from Naples, Italy

• Cryptochilum elegans, a synonym for Uronema elegans, a species (Uronematidae) found in Norway

• Cothurnia elegans, a species of peritrichs (Vaginicolidae) found in Australia

• Cavichona elegans, a species (Spirochonidae)

• Centrodinium elegans, a synonym for Oxytoxum elegans, a species (Oxytoxaceae) found in the Gulf of Mexico, the Lebanese exclusive economic zone waters and the North Atlantic Ocean
• Corythodinium elegans, a species (Oxytoxaceae) with a worldwide distribution

• Ceratium elegans Schröder, 1906, a synonym for Tripos elegans, a species (Ceratiaceae)
• †Clathroctenocystis elegans, an extinct species (Microdiniaceae) from the Cretaceous of Alaska, United States
• †Cleistosphaeridium elegans, a synonym for †Impletosphaeridium elegans, an extinct species (incertae sedis) from the Early Tertiary

• Cymbodinium elegans, a marine species (Kofoidiniaceae)

• Characiopsis elegans, a freshwater species (Characiopsidaceae) described from Arkansas, North America, and Brazil, South America

• Chromulina elegans, a freshwater species (Chromulinaceae) found in Europe, South America and Asia
• Chrysococcus elegans (syn. Chrysococcocystis elegans), a freshwater species (Dinobryaceae) found in North America

• Chaetoceros elegans, a species (Chaetocerotaceae) found in Taiwan
• Cocconeis elegans, a species (Cocconeidaceae) found in Sicily
• Cymbella elegans, a species (Cymbellaceae)
• Campylodiscus elegans, a species (Surirellaceae)
• Climacosphenia elegans, a marine pennate species (Climacospheniaceae)
• †Cladogramma elegans, an extinct species from the scientific voyage of HMS Challenger
• Cladomphalus elegans, a species from California
• †Corinna elegans, an extinct species from the Cretaceous of Canada
• †Cosmiodiscus elegans, an extinct species
• †Craspedoporus elegans, an extinct marine species from a deposit from Oamaru, Otago, New Zealand

• Coscinodiscus elegans, a species found in the Gulf of Mexico
• Craspedodiscus elegans, a species

• Centropyxiella elegans, a species of family Centropyxidae found in the European waters of the North Atlantic Ocean

• Collaria elegans (syn. Comatricha elegans), a species of family Stemonitidaceae

• Cribraria elegans, a slime mold of family Cribrariaceae found in the United States, Europe and Japan

• Calospeira elegans, a slime mold (Dictyosteliales incertae sedis)

• Cladospongia elegans, a species found in India
• Codonosiga elegans, a species

• Chrysochromulina elegans, a species (Prymnesiaceae) found in Baltic Sea in Europe and in Brazil in South America

• Chroomonas elegans, a species (Chroomonadaceae) found in Lake Neusiedl, at the Austria-Hungarian border

• Cryptaulax elegans, a species (Cryptomonadaceae) found in tropical marine sediments

• †Cheleutochroa elegans, an extinct species from the Ordovician of Estonia
• †Coryphidium elegans, an extinct species from the Tremadocian, the lower age of the Ordovocian, of Morocco

• Cyanonephron elegans, a freshwater species (Synechococcaceae) described in the Netherlands, Russia and Australia

• †Clonophycus elegans, an extinct species of microalgae found in the Barney Creek Formation of the Middle Proterozoic of northern Australia