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 Sterna Linnaeus, 1758
Sterna sandvicensis Latham, 1787 - sandwich tern
1 Sterna sandvicensis sandvicensis Latham, 1787 - sandwich tern
2 Sterna sandvicensis acuflavida Cabot, 1847
3 Sterna sandvicensis eurygnatha Saunders, 1876 - Cayenne tern