Erin I. Garcia de Jesus The Smithsonian National Museum of Natural History’s megalodon model is a 52-foot-long female based on a set of teeth discovered in the Bone Valley Formation in Florida.
But some fish, comprising a group known as osteoglossomorphs, have also developed a third set of teeth—bony plates formed by the roof of their mouth and their tongue (“osteo” means “bony ...
Laboratory mice are characterized by monophyodont dentition, meaning that they possess only one set of teeth throughout their entire lives. Rodent incisors and molars are examples of rootless ...