Most carnivores have teeth to grasp and eat prey, so marine animals with teeth are not uncommon. Sharks, dolphins, eels, whales, many fish species, and marine mammals like seals and sea lions have ...
"It's a very difficult fossil to interpret. To look at it, it kind of just looks like a white mush." ...
For 25 years, a hand-sized fossil in Illinois rock was called the world’s oldest octopus. Scientists reexamined Pohlsepia mazonensis with a synchrotron that shoots powerful light beams through stone, ...