Ctenochasmatidae

Ctenochasmatids Temporal range: Late Jurassic - Early Cretaceous 152–105 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Ctenochasma elegans specimen from Solnhofen
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Pterosauria
Suborder:	†Pterodactyloidea
Clade:	†Ctenochasmatoidea
Family:	†Ctenochasmatidae Nopsca, 1928[1]
Type species
†Ctenochasma roemeri Meyer, 1852
Subgroups
†Ardeadactylus? †Aurorazhdarcho? †Balaenognathus †Cathayopterus †Cratonopterus[2] †Elanodactylus †Forfexopterus †Gladocephaloideus †Kepodactylus †Liaodactylus †Otogopterus †Petrodactyle[3] †Pterofiltrus †Ctenochasmatinae †Ctenochasma †Pterodaustrini †Beipiaopterus †Eosipterus †Gegepterus †Pterodaustro †Gnathosaurinae †Gnathosaurus †Huanhepterus? †Lusognathus †Plataleorhynchus †Tacuadactylus †Moganopterinae †Feilongus †Moganopterus

Ctenochasmatidae is a group of pterosaurs within the suborder Pterodactyloidea. They are characterized by their distinctive teeth, which are thought to have been used for filter-feeding. Ctenochasmatids lived from the Late Jurassic to the Early Cretaceous periods.

The earliest known ctenochasmatid remains date to the Late Jurassic Kimmeridgian age. Previously, a fossil jaw recovered from the Middle Jurassic Stonesfield Slate formation in the United Kingdom, was considered the oldest known. This specimen supposedly represented a member of the family Ctenochasmatidae,^[4] though further examination suggested it actually belonged to a teleosaurid stem-crocodilian instead of a pterosaur.^[5]

Below is cladogram following a topology recovered by Brian Andres, using the most recent iteration of his data set (Andres, 2021). Anders found that three subfamilies fall within the Ctenochasmatidae: Ctenochasmatinae, Gnathosaurinae and Moganopterinae, while also including several basal genera.^[6]

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