Genus:
Synthliboramphus >
Family:
Alcidae >
Order:
Charadriiformes >
Class:
Aves >
Superclass:
Amniota >
Megaclass:
Tetrapoda >
Gigaclass:
Sarcopterygii >
Parvphylum:
Osteichthyes >
Infraphylum:
Gnathostomata >
Subphylum:
Vertebrata >
Phylum:
Chordata >
Kingdom:
Animalia >
Unranked:
Biota >