|Named By:||Moreno and MerceratFrancisco P. Moreno & Alcides Mercerat in 1891|
|Time Period:||Middle Miocene|
|Location:||Argentina, Santa Cruz Province|
|Size:||Up to 1.7 meters high|
|Fossil(s):||Fossils to identify one species|
|Classification:||| Chordata | Aves | Cariamae | Phorusrhacidae | Patagornithinae ||
Patagornis is a genus of extinct, giant, flightless, predatory birds of the family Phorusrhacidae. Known as "terror birds", these lived in what is now Argentina during the early and middle Miocene; the Santa Cruz Formation in Patagonia contains numerous specimens.