A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which lived nearly worldwide 15–3.6 million years ago. Paleobiology professor ...

Evidence for this function first came from studies of the organ's anatomy and its nerves as well ... has so miniscule a brain in relation to its body size. Yet such a rudimentary brain has clearly ...

Paleobiology professor Kenshu Shimada of DePaul University led the study along with 28 other shark, fossil, and vertebrate anatomy ... total body length. Because the Belgian “trunk” vertebral ...