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Cathartornis Temporal range: 23–0.01 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Accipitriformes
Family:	†Teratornithidae
Genus:	†Cathartornis L. H. Miller, 1910
Species:	†C. gracilis
Binomial name
†Cathartornis gracilis L. H. Miller, 1910

Cathartornis ("Cathartes Bird") is an ancient bird of the Teratornithidae family. It lived somewhere between 23 million years (Miocene Epoch) and 10,000 years (Pleistocene Epoch) ago. The only evidence of the bird's existence is a few bones. Its remains were documented in 1910. Cathartornis was described on the basis of 2 tarsometatarsi, 1 complete and 1 containing only the distal end, recovered from the Pleistocene La Brea Tar Pits in Southern California. Since then, no other fossils have officially been referred to the taxon, though some fossils assigned to Teratornis could be from Cathartornis and unpublished remains have been mentioned.

References

1. "BioLib - Cathartornis gracilis". Biolib.cz. 2007-11-19. Retrieved 2010-03-18.
2. Howard, Hildegarde (Autumn 1972). "The Incredible Teratorn Again" (PDF). The Condor. 74 (3): 341–344. doi:10.2307/1366594. JSTOR 1366594.
3. Miller, L. (1911). The condor-like vultures of Rancho La Brea (Vol. 6, No. 1). The University Press.
4. DIAGNOSIS OF THE PRINCIPAL TAXA OF TERATORNITHIDAE (AVES: ACCIPITRIFORMES), INCLUDING TERATORNIS MILLER 1909 AND ITS SPECIES T. MERRIAMI AND T. WOODBURNENSIS
5. Campbell, K. E., & Stenger, A. T. (2002). A new teratorn (Aves; Teratornithidae) from the Upper Pleistocene of Oregon.

v t e Genera of eagles, condors and their extinct allies
Kingdom: Animalia Phylum: Chordata Class: Aves Clade: Telluraves Order: Accipitriformes
Accipitriformes Cathartiformes incertae sedis †Parasarcoramphus †Teratornithidae Aiolornis Argentavis Cathartornis Oscaravis Taubatornis Teratornis Cathartidae †Aizenogyps †Brasilogyps †Breagyps Cathartes †Cathartidarum Coragyps †Diatropornis †Dryornis †Geronogyps Gymnogyps †Hadrogyps †Kuntur †Pampagyps †Phasmagyps †Perugyps †Pleistovultur †Pliogyps Sarcoramphus Vultur †Wingegyps Accipitriformes sensu stricto See below ↓
Accipitriformes sensu stricto †Horusornithidae Horusornis Pandionidae Pandion Sagittariidae †Amanuensis †Amphiserpentarius †Pelargopappus Sagittarius Accipitridae incertae sedis †Amplibuteo †Aquilavus †Apatosagittarius †Aviraptor †"Cruschedula"? †Dynatoaetus †Gigantohierax †Gobihierax †Milvoides †Mioaegypius †Miohierax †Necrastur †Palaeohierax †Palaeastur †Palaeocircus †Palaeoplancus †"Palaetus" †Pengana †Proictinia †Promilio †Qiluornis †Titanohierax †Vinchinavis Aegypiinae Aegypius †Cryptogyps †Gansugyps Gyps Necrosyrtes Sarcogyps Torgos Trigonoceps Accipitrinae Accipiter Erythrotriorchis Megatriorchis Aquilinae Aquila Clanga Hieraaetus Ictinaetus Lophaetus Lophotriorchis Nisaetus Polemaetus Spizaetus Stephanoaetus †Archaehieraxinae Archaehierax Buteoninae †Bermuteo †Garganoaetus Buteonini Busarellus Butastur Buteo Buteogallus Cryptoleucopteryx Geranoaetus Geranospiza Helicolestes Ictinia Leucopternis Morphnarchus Parabuteo Pseudastur Rostrhamus Rupornis Milvini Haliastur Milvus Circaetinae Circaetus Dryotriorchis Eutriorchis Pithecophaga Spilornis Terathopius Circinae Circus Elaninae Chelictinia Elanus Gampsonyx Gypaetinae †Anchigyps †Arikarornis Gypaetus Gypohierax †Mioneophron †Neogyps Neophron †Neophrontops †Palaeoborus Polyboroides Haliaeetinae Haliaeetus Icthyophaga Harpaginae Harpagus Kaupifalco Microspizias Harpiinae Harpia Harpyopsis Macheiramphus Morphnus Lophospizinae Lophospiza Melieraxinae Melierax Micronisus Urotriorchis Perninae Aviceda Chondrohierax Elanoides Eutriorchis Hamirostra Henicopernis Leptodon Lophoictinia Pernis

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