†family Teratornithidae Miller 1909 (teratorn)
Aves - Falconiformes - Vulturoidae
Alternative spelling: Teratornithinae
Parent taxon: Vulturoidae according to O. P. Hay 1930
See also Amadon 1977, Carroll 1988, Lambrecht 1933, Wetmore 1940, Wetmore 1956 and Wetmore 1960
Sister taxa: none
Subtaxa: Aiolornis Argentavis Cathartornis Oscaravis Taubatornis Teratornis
Type: Teratornis
Ecology: ground dwelling carnivore
Distribution:
• Quaternary of Cuba (1 collection), United States (16: California, Florida, Oregon, Utah)
• Blancan of United States (1: California)
• Huayquerian of Argentina (3)
• Oligocene of Brazil (1)
Total: 22 collections including 25 occurrences