English Pelagiarctos Cited by user Feralcateater000 on 10 Jan 2023 Pelagiarctos was a genus of walrus that lived during the Mid Miocene, approx. 13-15 mya.
Japanese セイウチ科 Cited by user 2400:2200:5FE:5E35:B89D:8077:61C8:FE57 on 21 Aug 2022 セイウチ科(Odobenidae)は鰭脚類の一科. 現生種はセイウチ (Odobenus rosmarus) のみであるが、過去には、多くの絶滅種がおり、多様性が高かった.
English Odobenidae Cited by user Audrey.m.horn on 17 Nov 2019 Odobenidae is a family of pinnipeds. The only living species is the walrus. In the past, however, the group was much more diverse, and includes more than a dozen fossil…