Brachyprosopus

Brachyprosopus is an extinct genus of dicynodont therapsid from the middle Permian Tapinocephalus Assemblage Zone in the Abrahamskraal Formation belonging to the Beaufort Group of the Karoo Basin, South Africa.^[1]

Chelydontops Cluver, 1975, based on a skull from the Karoo Basin of South Africa, is a junior synonym.^[1]

Description

Brachyprosopus is similar to Endothiodon, Niassodon, and Pristerodon in having absence of anterior median palatal ridges; maxillary tooth rows bounded laterally by a shelf; unfused vomers; raised margins of the interpterygoid vacuity; broad intertemporal region; pineal boss; dentary tables; and a long, wide posterior dentary sulcus that extends posterior to the dentary teeth. However, it can be distinguished by the autapomorphy of a curled lateral edge of the squamosal that forms a lateral wall of the external adductor fossa.^[1]

See also

• List of therapsids

References

External links

• The main groups of non-mammalian synapsids at Mikko's Phylogeny Archive

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Anomodontia

Kingdom: Animalia Phylum: Chordata Clade: Synapsida Clade: Therapsida
Synapsida see Synapsida Anomodontia see below↓

Anomodontia
Anomodontia Biseridens Novocynodon? Anomocephaloidea Anomocephalus Tiarajudens Venyukovioidea Otsheria Parasuminia Suminia Ulemica Venyukovia Chainosauria Galechirus Galeops Galepus Patranomodon Anomocephaloidea? Dicynodontia see below↓

Dicynodontia
Dicynodontia Brachyprosopus Colobodectes Eodicynodon Lanthanostegus Nyaphulia Pristerodon Pylaecephalidae Diictodon Eosimops Prosictodon Robertia Endothiodontia Abajudon Endothiodon Niassodon Therochelonia Emydopoidea Digalodon Emydorhinus? Palemydops? Emydopidae Compsodon Emydops Myosauridae Myosauroides Myosaurus Kingoriidae Dicynodontoides Kombuisia Thliptosaurus Cistecephalidae Cistecephaloides Cistecephalus Kawingasaurus Kembawacela Sauroscaptor Bidentalia see below↓

Bidentalia
Bidentalia Daqingshanodon Idelesaurus Keyseria Odontocyclops Rastodon Syops Elphidae Elph Interpresosaurus Katumbia Geikiidae Aulacephalodon Bulbasaurus Geikia Pelanomodon Oudenodontidae Australobarbarus Oudenodon Tropidostoma Rhachiocephalidae Kitchinganomodon Rhachiocephalus Dicynodontoidea Counillonia Daptocephalus Delectosaurus Dicynodon Dinanomodon Gordonia Kunpania Peramodon Repelinosaurus Taoheodon Turfanodon Vivaxosaurus Lystrosauridae Basilodon? Euptychognathus? Jimusaria? Kwazulusaurus Lystrosaurus Sintocephalus? Kannemeyeriiformes see below↓

Kannemeyeriiformes
Kannemeyeriiformes Angonisaurus Dinodontosaurus Elephantosaurus Woznikella Shansiodontidae Shansiodon Tetragonias Vinceria Rhinodicynodon Kannemeyeriidae Acratophorus Dolichuranus Kannemeyeria Parakannemeyeria Rabidosaurus Rechnisaurus Rhadiodromus Shaanbeikannemeyeria Sinokannemeyeria Uralokannemeyeria Wadiasaurus Xiyukannemeyeria Stahleckeriidae Sungeodon Placeriinae Argodicynodon Lisowicia Moghreberia Pentasaurus Placerias Zambiasaurus Stahleckeriinae Eubrachiosaurus Ischigualastia Jachaleria Sangusaurus Stahleckeria Ufudocyclops

Other articles
Nomina dubia Azarifeneria Baiopsis Calleonasus Chelyoposaurus Cristonasus Diaelurodon Dicranozygoma Elatosaurus Eurycarpus Haughtoniana Keirognathus Koupia Nasoplanites Opisthoctenodon Parvobestiola Planitorostris Platypodosaurus Putillosaurus Taognathus Paraphyletic groups Cryptodontia? Dromasauria

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