Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Apodiformes Peters, 1940 - swifts Family Apodidae Hartert, 1897 - swifts Subfamily Apodinae Hartert, 1897 - true swifts Genus Apus Scopoli, 1777 - house swift Apus affinis (J.E. Gray, 1830) - little swift Apus affinis affinis (Gray, 1830)