👉 Triodontophorus is a genus of extinct marine fish that lived during the Mesozoic era (around 65 million years ago to about 48 million years ago). This group, which includes many other species, was one of the largest invertebrate groups on Earth. The name "triodontophorus" refers to its three primary teeth: a long, thin upper jaw, a short, curved lower jaw, and an elongated mandible or maxilla. Triodontoph