In Neocene reptiles have made one more resolute attempt to win a sea inhabitancy. Warming of climate in Neocene epoch, and also the mass extinction of cetaceans, pinnipeds and many other sea inhabitants had permitted them to develop pelagic habit of life. In tropical latitudes of Pacific Ocean the huge sharkodile, one of last species of crocodiles reigns. Except for it, various turtles live in sea. They are not descendants of sea turtles of Holocene epoch. Some species of sea turtles of Neocene descend even from tortoises. The algal turtle from Tanganyika Passage separating Africa and Zinj Land is those, for example. But this reptile does not leave far from the coast. But other turtles have developed true pelagic habit of life. They meet at open ocean far from coast, and need the ground on