Apodiformes

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Subclass: Neornithes (2,057 genera / 9,672 species)
Infraclass: Eoaves
Parvclass: Passerae
Superorder: Apodimorphae
Order: Apodiformes (9/47 – typical swifts, crested-swifts)