Teratornithidae

Teratornithidae
Teratornis merriami skeleton from the La Brea tar pits
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Teratornithidae
L. H. Miller 1909
Genera

Teratornis
Aiolornis
Argentavis
Cathartornis
Oscaravis
Taubatornis

Teratornithidae is an extinct family of very large birds of prey that lived in North and South America from the Late Oligocene to Late Pleistocene. They include some of the largest known flying birds. Its members are known as teratorns.