Parent: Laridae (Gulls)

└─ Sterna (Typical terns)

└─── Sterna acuticauda (Black-bellied tern)

└─── Sterna aurantia (River tern)

└─── Sterna dougallii (Roseate tern)

└─── Sterna forsteri (Forster's tern)

└─── Sterna hirundinacea (South american tern)

└─── Sterna hirundo (Common tern)

└─── Sterna paradisaea (Arctic tern)

└─── Sterna repressa (White-cheeked tern)

└─── Sterna striata (Black-naped tern)

└─── Sterna sumatrana (Black-naped tern)

└─── Sterna trudeaui (Snowy-crowned tern)

└─── Sterna virgata (Kerguelen tern)

└─── Sterna vittata (Antarctic tern)