Paraphysornis (Paraphysornis brasiliensis Alvarenga, 1982)
Time period: lived in the Oligocene, some 23 million years ago (South America)
Size: 200 cm in height, 100 - 200 kg of weight
Typical representative: Paraphysornis brasiliensis Alvarenga, 1982
Paraphysornis is an extinct genus of giant flightless predatory birds of the family Phorusrhacidae or "terror birds" and the subfamily brontornithinae that lived in Brazil. Its length was about 2 meter and the skull had a length of 60 centimeter. The only known species is Paraphysornis brasiliensis. It lived 23 million years ago.