Clade Aethiini (auk)
Aves - Charadriiformes - Alcoidae
Parent taxon: Fraterculinae according to N. A. Smith 2014
See also Smith 2011
Sister taxon: Fraterculini
Subtaxa: Aethia Ptychoramphus
Type: Aethia
Ecology: ground dwelling carnivore
Distribution:
• Quaternary of Japan (3 collections), United States (23: Alaska, California)
• Blancan of United States (3: California)
• Pliocene of United States (1: California)
• Miocene of United States (4: California)
Total: 34 collections including 44 occurrences