Clade Firmisternia Cope 1875 (frog)
Full reference: E. D. Cope. 1875. Check-list of North American Batrachia and Reptilia; with a systematic list of the higher groups, and an essay on geographical distribution. Based on the specimens contained in the U. S. National Museum. Bulletin of the United States National Museum 1:1-109
Parent taxon: Phaneroglossa according to H. Gadow 1898
See also Cope 1875
Sister taxon: Arcifera
Subtaxa: Dendrobatidae Dyscophidae Engystomatidae Phryniscidae
Ecology: amphibious carnivore
Distribution: there are no occurrences of Firmisternia in the database