Scientific name Physornis fortis Rank Genus | Class Aves Species P. fortis Phylum Chordata | |
Similar Paraphysornis, Patagornis, Andrewsornis, Procariama, Psilopterus | ||
Physornis fortis is an extinct species of giant flightless predatory birds of the family Phorusrhacidae or "terror birds", within the subfamily Brontornithinae, that lived in Argentina. It lived from 28 to 23 million years ago, during the Oligocene.
References
Physornis Wikipedia(Text) CC BY-SA