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Balanus

From Wikipedia, the free encyclopedia

Balanus
Temporal range: Jurassic - Recent
Balanus perforatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Thecostraca
Subclass: Cirripedia
(unranked): Sessilia
Order: Balanomorpha
Superfamily: Balanoidea
Family: Balanidae
Genus: Balanus
da Costa, 1778
Type species
Balanus balanus
Species

See text

Balanus is a genus of barnacles in the family Balanidae of the subphylum Crustacea.

Fossil shells of Balanus from Pliocene

This genus is known in the fossil record from the Jurassic to the Quaternary periods (age range: from 189.6 to 0.0 million years ago.). Fossil shells within this genus have been found all over the world.[1]

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Transcription

Description

The bodies of these organisms are totally enclosed by a stony gray-whitish shell. The size of these shells ranges from 5 millimeters to 10 centimeters. They take the form of a cone consisting of six plates fixed on the rocks. The active animal can only be observed within the water when the shell opens and the barnacles expose two branched appendages (cirri ) regularly hitting the water to catch food. They mainly feed on plankton.

Habitat

These barnacles can be found in coastal areas at low shallow depth, although they can also be seen living out of the water. They commonly colonize stones, rocks and shells. They are found in abundance on the shells of mussels.

Species

Species within the genus Balanus include:[2]

  • Balanus balanus (Linnaeus, 1758)
  • Balanus bloxhamensis Weisbord, 1966
  • Balanus borsodensis Kolosváry, 1952
  • Balanus calidus Pilsbry, 1916
  • Balanus campbelli Filhol, 1886
  • Balanus chisletianus Sowerby, 1859
  • Balanus citerosum Henry, 1973
  • Balanus connelli Cornwall, 1927
  • Balanus crenatus Bruguière, 1789
  • Balanus curvirostratus Menesini, 1968
  • Balanus darwinii Seguenza, 1876
  • Balanus ecuadoricus Pilsbry & Olson, 1951
  • Balanus flosculoidus Kolosváry, 1941
  • Balanus gizellae Kolosváry, 1967
  • Balanus glandula Darwin, 1854 (Common Acorn Barnacle)
  • Balanus hohmanni Philippi, 1887
  • †Balanus humilis Conrad, 1846 (extinct)
  • †Balanus imitator Zullo, 1984 (extinct)
  • Balanus irradians Zullo & Guruswami-Naidu, 1982
  • Balanus irregularis Broch, 1931
  • Balanus kanakoffi Zullo, 1969
  • Balanus kondakovi Tarasov & Zevina, 1957
  • Balanus laevis Bruguière, 1789
  • Balanus laguairensis Weisbord, 1966
  • Balanus leonensis Weisbord, 1966
  • Balanus microstomus Philippi, 1887
  • Balanus minutus Hoek, 1913
  • Balanus mirabilis Krüger, 1912
  • Balanus newburnensis Weisbord, 1966
  • Balanus nubilus Darwin, 1854 (Giant acorn barnacle)
  • Balanus ochlockoneensis Weisbord, 1966
  • Balanus pannonicus Kolosváry, 1952
  • Balanus parkeri Zullo, 1967
  • Balanus perforatus Bruguière, 1789
  • Balanus poecilus Darwin, 1854
  • Balanus polyporus Pilbry, 1924
  • Balanus provisoricus Kolosváry, 1961
  • Balanus pulchellus Ren, 1989
  • Balanus rhizophorae Ren & Liu, 1978
  • Balanus rostratus Hoek, 1883 (Minefujitsubo)[3] (Japanese acorn barnacle)
  • Balanus sauntonensis Parfitt, 1871
  • Balanus similis Weltner, 1922
  • Balanus spongicola Brown, 1844
  • Balanus subalbidus Henry, 1974
  • Balanus tamiamiensis Ross, 1964
  • Balanus trigonus Darwin, 1854
  • Balanus tuboperforatus Kolosváry, 1962
  • Balanus tumorifer Kolosváry, 1962
  • Balanus uliginosis Henry, 1973
  • Balanus vadaszi Kolosváry, 1949
  • Balanus veneticensis Seguenza, 1876
  • Balanus withersi Pilsbry, 1930

The species Balanus balanoides (common barnacle, common rock barnacle, northern rock barnacle) has been reclassified as Semibalanus balanoides in the family Archaeobalanidae, due to its membranous base.

References

  1. ^ "Fossilworks". Archived from the original on 13 December 2021. Retrieved 17 December 2021.
  2. ^ Benny K. K. Chan (2011). "Balanus Costa, 1778". World Register of Marine Species.
  3. ^ Scientific Name ／ Balanus rostratus Hoek,1883[permanent dead link]
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This page was last edited on 15 July 2024, at 18:13
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