有鳍状肢的属于鳍脚亚目动物的，肉食水生动物的一个分支，包括海狮、海象及其他类似的用鳍状肢行进的动物。
Of or belonging to the Pinnipedia , a suborder of carnivorous aquatic mammals that includes the seals , walruses , and similar animals having finlike flippers as organs of locomotion .
鳍脚亚目