Science ❯ Biology ❯ Evolution
Megalodon Megafauna Cretaceous Period Species Diversity Dinosaur Extinction Paleobiology Megalodon extinction Great White Shark Resurrection Great Apes Ichthyosaurs Species Interactions Human Impact Peirosaurids Prehistoric Life Genyornis newtoni Mesozoic Era Woolly Mammoths Extinction Theories
Tests identify an ultra-thin clay layer that recorded the animals' outer form without retaining original organics.
