The shape of a snail’s teeth can be used to identify its diet. Many aquatic snails have pointed, triangular teeth for scraping algae off rock surfaces. Over time, the teeth and the underlying membrane ...

supplanting limpet (snail) teeth, the previous record holder. Parrotfish beaks form by compressing up to 1,000 teeth arranged in as many as 15 rows into one hard, conglomerate structure covered by ...

The Terastiodontosaurus showed an “extreme dental morphology, including one massive tooth on the maxilla and dentary, flat cheek teeth ... that it feasted on snails, able to crush through ...