Theatonius ko leñol majjungol e nder amfibiiji Kretaseer anndaaɗi gila Amerik worgo Ko adii fof ko nde siforaa ko e nokku biyeteeɗo Lance,[1]to Wyoming, jooni kadi nde anndaa ko e nokku biyeteeɗo Utah, Montana, e New Jersey.[2]
↑Fox, Richard C. (1976). "An edentulous frog (Theatonius lancensis, new genus and species) from the Upper Cretaceous Lance Formation of Wyoming". Canadian Journal of Earth Sciences. 13 (10): 1486–1490. Bibcode:1976CaJES..13.1486F. doi:10.1139/e76-154.