Osteichthyes - Therapsida

PaleoDB taxon number: 38930

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

Sister taxa: Anomodontia, Biarmosuchia, Cynodontia, Dromasauria, Eotheriodontia, Eutherapsida, Novocynodon kutorgai, Raranimus, Rubidginia, Tritylodontoidea

Subtaxa: Tetraceratops insignis

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Type: Tetraceratops insignis

Ecology: