description Archaeodobenus akamatsui Overview
Archaeodobenus akamatsui is an extinct pinniped in the family Odobenidae, the group that includes the living walrus. It is known from a partial skeleton found in the late Miocene Ichibangawa Formation of Hokkaido, Japan, and lived about 10.0-9.5 million years ago. The species had a small, slender skull and no tusks, and its anatomy helps document the early diversification of walrus relatives. ([Research paper](https://pmc.ncbi.nlm.nih.gov/articles/PMC4526471/))
help Archaeodobenus akamatsui FAQ
How good is Archaeodobenus akamatsui?
Archaeodobenus akamatsui scores 6.19/10 (Fair) on Lunoo, making it rated in the Seal category. Well-preserved Japanese fossil adds anatomical value, though name confusion and low public recognition limit consensus appeal.
What are the best alternatives to Archaeodobenus akamatsui?
See our alternatives page for Archaeodobenus akamatsui for a ranked list with scores. Top alternatives include: Neotherium mirum, Gomphotaria pugnax, Pontolis magnus.
How does Archaeodobenus akamatsui compare to Neotherium mirum?
See our detailed comparison of Archaeodobenus akamatsui vs Neotherium mirum with scores, features, and an AI-powered verdict.
Is Archaeodobenus akamatsui worth it in 2026?
With a score of 6.19/10, Archaeodobenus akamatsui is a solid option in Seal. See all Seal ranked.
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