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Four-Legged Whale Species That Lived 40 Million Years Ago Discovered In Peru
This prehistoric quadruped discovered on the coast of Peru was similar to a modern-day otter or beaver — except it was 13 ...
National Geographic news4y
Valley of the Whales
Along with the bones of prehistoric sea monsters ... The common ancestor of whales and of all other land animals was a flatheaded, salamander-shaped tetrapod that hauled itself out of the sea ...
Chip Chick on MSN5d
Sinuses Were What Held Prehistoric Crocodiles Back From Being Deep Divers Like Dolphins And Whales
The sinuses of the ancient relatives of modern-day crocodiles prevented them from becoming deep divers like dolphins and whales, according […] ...