Reptilia - Sphenacodontomorphi

Full reference: O. P. Hay. 1930. Second Bibliography and Catalogue of the Fossil Vertebrata of North America 390(II):1-1074

Parent taxon: Elpidosauria according to O. P. Hay 1930

Sister taxa: none

Subtaxa: Caseiformes Edaphosauriformes Poliosauriformes Sphenacodontiformes

view classification

Ecology: planktonic suspension feeder

Show more details