PaleoDB taxon number: 420124
Full reference: J. Watanabe, H. Matsuoka, and Y. Hasegawa. 2016. Two species of Uria (Aves: Alcidae) from the Pleistocene of Shiriya, northeast Japan, with description and body mass estimation of a new species. Bulletin of the Gunma Museum of Natural History 20:59-72
Type specimen: NSMT-PV 23722, a limb element (humerus). Its type locality is Shiriya, Locality 2, which is in a Pleistocene fissure fill horizon in Japan.