Order Pelecaniformes Sharpe 1891 (bird)
Alternative spelling: Pelicaniformes
Parent taxon: Pelecanimorphae according to G. Sangster and G. Mayr 2021
See also Baird 1992, Bourdon et al. 2005, Carroll 1988, del Hoyo et al. 2014, Guthrie 1992, Hay 1930, Hope 2002, Howard 1972, Kurochkin 2000, Livezey and Zusi 2007, Louchart et al. 2008, Mayr 2005, Mayr 2022, Sepkoski 2002, Simpson 1972, Stidham et al. 2014, Wetmore 1940, Wetmore 1956 and Wetmore 1960
Sister taxa: Balaenicipitiformes, Ciconiiformes, Suliformes
Subtaxa: Ardeidae Cladornithes Fregatae Gorsachius Odontopteryges Odontopterygia Pelecanidae Protopelicanus Protoplotidae Steganopodes Threskiornithidae Tigriornis Torotix Zebrilus Zonerodius
Ecology: ground dwelling carnivore