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Cryptodontia Temporal range: Middle Permian - Late Permian
Skull of Oudenodon latirostris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Suborder:	†Anomodontia
Clade:	†Dicynodontia
Clade:	†Bidentalia
Clade:	†Cryptodontia Owen, 1860
Subgroups
See text.
Synonyms
Cryptodontidae

Cryptodontia is a group of dicynodont therapsids that includes the families Geikiidae, Oudenodontidae, and Rhachiocephalidae. It was first named in 1860 by English paleontologist Richard Owen. Owen intended Cryptodontia to be a family, and the name was later changed to "Cryptodontidae" to reflect this ranking. The name Cryptodontia was restored in 2009 when it was redefined as a larger clade containing several families of dicynodonts.

Classification

Below is a cladogram from Kammerer et al. (2011) showing the phylogenetic placement of Cryptodontia:

References

1. Kammerer, C.F.; Angielczyk, K.D. (2009). "A proposed higher taxonomy of anomodont therapsids" (PDF). Zootaxa. 2018: 1–24.

v t e 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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