Temporal range: Miocene
An artist's illustration of Aivukus cedrosensis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Suborder: Caniformia
Superfamily: Pinnipedia
Family: Odobenidae
Genus: Aivukus
Repenning & Tedford, 1977
Species: Aivukus cedrosensiss
Binomial name
Aivukus cedrosensis
Repenning & Tedford, 1977

Aivukus is an extinct genus of walrus from the Miocene. The generic name is derived from the Inuit word for walrus, aivuk.


From fossil records it was at least as big as, if not slightly bigger than, the modern walrus. It was likely a shell-eater.