Full reference: W. D. Matthew. 1908. A four-horned pelycosaurian from the Permian of Texas. Bulletin of the American Museum of Natural History 24:183-185
Parent taxon: Therapsida according to M. Laurin and R. R. Reisz 1996
See also Carroll 1988, Hay 1930, Matthew 1908, Reisz 1986 and Romer and Price 1940
Sister taxa: Anomodontia, Biarmosuchia, Brontopus, Cynodontia, Dicynodontipus, Eoraetia, Eotheriodontia, Eutherapsida, Gorgonopsia, Moltenotetrapodiscus, Novocynodon kutorgai, Raranimus, Rubidginia, Stathmodon, Therocephalia, Tricuspes, Tritylodontia
Subtaxa: Tetraceratops insignis
Type: Tetraceratops insignis
Ecology:
Distribution: found only at Coffee Creek, 34 (Arroyo Formation) (Permian of Texas)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.