Ancient Walrus Relative Had No Tusks
About 10 million years ago on the shores of what ’s now Hokkaido , Japan , ancient sea horse congeneric sported sharp eye tooth but no tusks , harmonize to findings published inPLOS ONEthis hebdomad . now , walruses ( Odobenus rosmarus ) are the only living members of the family Odobenidae , but the group was incredibly diverse in the past times : The fossils of at least 16 genera and 20 species of extinct sea horse have already been recovered ....