Noun
oceanic sharks
Source: WordNetMembers of the family Lamnidae (such as the shortfin mako shark and the great white shark ) are homeothermic and maintain a higher body temperature than the surrounding water. Source: Internet
Many larger, pelagic species, such as the mackerel sharks (Lamnidae) and the thresher sharks (Alopiidae), no longer possess them. Source: Internet
However, a new hypothesis proposes that the C. megalodon and the great white are distant relatives (albeit sharing the family Lamnidae ). Source: Internet