After Carroll, 1988, and Estes & Sanchécz, 1982
<==o †Palaeobatrachidae Cope, 1865 |-- †Albionbatrachus wightensis |-- †Lithobatrachus |-- †Neusibatrachus wilferti Seiffert, 1972 [Eodiscoglossus santonjae Sanchiz, 1998], L. Cret. SWEu. |--o †Palaeobatrachus Tschudi, 1839 | |-- †P. novotnyi Spinar, 1972 | |-- †P. occidentalis Estes & Sanchécz, 1982 | |-- †P. luedecki | |-- †P. grandipes | `-- †P. diluvianus `-- †Pliobatrachus
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698. - Estes, R. & Sanchécz, B., 1982: New discoglossid and palaeobatracid frogs from the Late Cretaceous of Wyoming and Montana, and a review of other frogs from the Lance and Hell Creek Formations.
–Journal of Vertebrate Paleontology: vol. 2, #1,, pp. 9-20.