Parent taxon: Aves according to G. Mayr and J. H. Hurum 2020
See also Baird 1992, del Hoyo et al. 2014 and Parmalee 1992
Sister taxa: Alaripeda, Archaeornithipus, Archornithes, Aucornis, Avimimiformes, Avipedidae, Barrosopus, Bucerotiformes, Chaoyangornithidae, Charadriiformes, Climacarthrus, Dolichopterus, Dromiceiidae, Eoaves, Eociconia, Eopteryx, Eucavitaves, Eupterornis remensis, Eurhipidurae, Euryonotus, Falconiformes, Fontinalis, Gansuiformes, Gobioolithidae, Gruipeda, Gyeongsangornipes, Ibidopodia, Ignotornidae, Jeholornis, Jindongornipodidae, Jixiangornis, Koreanaornipodidae, Kuszholiidae, Liaoxiornithidae, Limiavipedidae, Loncornis, Longipennes, Manu, Metornithes, Micropodiformes, Minerva, Mirandornithes, Moguiornipes, Musophagiformes, Mystiornithiformes, Neornithes, Odontoglossae, Odontopterygiformes, Odontornithes, Omnivoropterygiformes, Onychopteryx, Pachycorioolithidae, Palaeoaves, Palaeolestes, Palaeopsittacus, Paludicolae, Pancharadriiformes, Pangalliformes, Panmirandornithes, Pansphenisciformes, Parvoolithus, Patagonichnornis, Paxavipedidae, Phaethontiformes, Platanavis, Plectophora, Praeornithes, Proherodius, Proherodius oweni, Proornis, Protoaviformes, Protopelargus, Protornis, Psittacopasseres, Psittacopedidae, Pygostylia, Qianshanornithidae, Querandiornis, Riacama, Sauriurae, Shandongornipodidae, Shenzhouraptor, Smiliornis, Tantalatos, Tantaleus, Tatarornipes, Telluraves, Telmatoformes, Teracus, Tricorynopus brinkmani, Tridentigerpes, Tshulia, Uhangrichnus, Yacoraitichnus, Yalavis
Subtaxa: Accipitridae Pandionidae
Ecology: ground dwelling carnivore
Distribution:
• Quaternary of Argentina (1 collection), Australia (7), Azerbaijan (2), the Bahamas (6), Barbados (1), Bermuda (5), Canada (2: British Columbia, Quebec), Cayman Islands (1), Chile (1), China (1), the Congo-Kinshasa (2), Cuba (2), East Timor (2), Ecuador (1), Egypt (6), Estonia (1), Falkland Islands (Malvinas) (1), Finland (4), France (5), Greece (16), Haiti (1), Hungary (1), Indonesia (15), Italy (11), Jamaica (1), Japan (5), Jordan (1), Madagascar (6), Malaysia (14), Martinique (1), Mauritius (4), Mexico (5), Monaco (1), New Caledonia (4), New Zealand (11), Norfolk Island (2), Papua New Guinea (3), Peru (1), Portugal (1), Puerto Rico (1), Romania (4), the Russian Federation (4), the Seychelles (2), South Africa (1), Spain (14), Sudan (1), Tonga (2), the United Kingdom (7), United States (91: Alabama, Alaska, California, Colorado, Florida, Georgia, Hawaii, Illinois, Maryland, Michigan, New Mexico, Ohio, Oregon, Texas, Utah, Virginia, Wyoming), Vanuatu (1), Venezuela (1)
• Blancan of Mexico (1), United States (5: Arizona, Florida, Idaho, Nebraska)
• Pliocene to Pleistocene of Italy (2)
• Pliocene of Hungary (1), South Africa (1), Spain (1), Tanzania (2), Ukraine (1), United States (2: California, North Carolina)
• Hemphillian of United States (3: Florida, Idaho, Nebraska)
• Miocene to Pliocene of Argentina (1)
• Miocene of Argentina (1), Australia (1), Chad (1), China (2), Ethiopia (1), France (2), Germany (1), Greece (1), Italy (3), Kenya (5), Namibia (1), New Zealand (2), Spain (2), Ukraine (1), United States (16: California, Florida, Nebraska, New Mexico, Oregon, South Dakota)
• Harrisonian of United States (2: Nebraska)
• Arikareean of United States (1: California)
• Oligocene of Australia (3), Belgium (1), Egypt (2), Germany (2), Poland (1), United States (2: Colorado, South Dakota)
• Eocene of Belgium (1), France (1), the United Kingdom (6), United States (2: Wyoming)
Total: 368 collections including 707 occurrences