Sample Page

Trichasaurus is an extinct genus of caseid synapsids.

See also

List of pelycosaurs

References

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

Kingdom: Animalia
Phylum: Chordata
Superclass: Tetrapoda
Clade: Amniota

Tetrapodomorpha

- see Tetrapodomorpha

see Reptiliomorpha
Synapsida	see below↓

†Diadectomorpha?

†Caseasauria?

Eothyrididae	Asaphestera? Eothyris Oedaleops Vaughnictis
Caseidae	Alierasaurus Angelosaurus Arisierpeton Callibrachion Casea Caseoides Caseopsis Cotylorhynchus Datheosaurus Ennatosaurus Eocasea Euromycter Lalieudorhynchus Martensius Oromycter Phreatophasma Ruthenosaurus Trichasaurus

†Varanopidae?

Apsisaurus Archaeovenator Ascendonanus? Eoscansor Dendromaia Nitosaurus? Pyozia Thrausmosaurus
Mesenosaurinae	Anningia Cabarzia? Elliotsmithia Heleosaurus Mesenosaurus Microvaranops
Varanodontinae	Aerosaurus Mycterosaurus? Ruthiromia Tambacarnifex Varanops Varanodon Watongia

- see below↓

Incertae sedis	†Dimacrodon †Driveria †Gorgodon †Knoxosaurus †Mastersonia †Protoclepsydrops?

Ennatosaurus tecton

†Ophiacodontidae	Archaeothyris Baldwinonus Clepsydrops Echinerpeton Ophiacodon Stereophallodon Stereorhachis Varanosaurus

Haptodontiformes

†Ianthodon †Milosaurus
†Edaphosauridae	Bohemiclavulus Edaphosaurus Glaucosaurus Gordodon Ianthasaurus Lupeosaurus Melanedaphodon Ramodendron Remigiomontanus Xyrospondylus

†Palaeohatteriidae

Palaeohatteria
Pantelosaurus

Sphenacodontoidea

†Shashajaia
†Sphenacodontidae	Cryptovenator Ctenorhachis Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon Steppesaurus? Tappenosaurus? Tetraceratops?
Therapsida	see below↓

†Raranimus

†Biarmosuchia

- see Biarmosuchia

†Dinocephalia

- see Dinocephalia

- see Anomodontia
- includes dicynodonts

- see Gorgonopsia

†Therocephalia	see Therocephalia
Cynodontia	see Cynodontia includes mammals

Incertae sedis

Raranimus dashankouensis