Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

A treasure trove of rare freshwater fossils has been described from Taiwan in a new study. Dating back to the Early Pleistocene, over 1 million years ago, they include a baby snail preserved inside ...