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] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
Family Laridae Vigors, 1825 - gulls, terns and skimmers
Subfamily Sterninae Bonaparte, 1838 - terns
Genus Phaetusa Wagler, 1832 [monotypic]
Phaetusa simplex (Gmelin, 1789) - large-billed tern
1 Phaetusa simplex simplex (Gmelin, 1789)
2 Phaetusa simplex chloropoda (Vieillot, 1819)