Class Aves Family Rheidae | Phylum Chordata Order Rheiformes | |
Genus OpisthodactylusAmeghino, 1891 Similar Rheas, Eremopezus, Lithornithidae, Palaeotis, Patagornis | ||
Opisthodactylus is an extinct genus of rhea from the Miocene of Argentina. Two species are known: the type species, Opisthodactylus patagonicus, and Opisthodactylus horacioperezi.
References
Opisthodactylus Wikipedia(Text) CC BY-SA