Reptilia - Testudines - Thalassemydidae

Synonym: Osteopygoides Karl et al. 1998

Full reference: E. D. Cope. 1868. [A new genus of Chelonia from New Jersey]. Proceedings of the Academy of Natural Sciences of Philadelphia 20:147

Parent taxon: Thalassemydidae according to O. P. Hay 1908

Sister taxa: Catapleura, Erquelinnesia, Idiochelys, Lytoloma, Rhetechelys, Sontiochelys

Subtaxa: Osteopygis borealis, Osteopygis chelydrinus, Osteopygis emarginata, Osteopygis emarginatus, Osteopygis erosus, Osteopygis platylomus, Osteopygis robustus, Osteopygis roundsi, Osteopygis sopitus

View classification

Type: Osteopygis emarginata

Ecology: aquatic omnivore