†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 Taubatornis Teratornis
Type: Teratornis
Ecology: ground dwelling carnivore
Distribution:
• Quaternary of United States (11: California, Florida, Utah collections)
• Blancan of United States (1: California)
• Huayquerian of Argentina (3)
• Oligocene of Brazil (1)
Total: 16 collections including 19 occurrences