👉 The term "solenostomidae" is a genus of extinct marine fish that lived during the Mesozoic era, around 69 million to 58 million years ago. These fish were known for their distinctive features such as long, slender bodies and a large snout. The genus includes several species that are now considered extinct. Some of the most well-known members of this group include: 1. Solenostomus: This is one of the oldest known marine animals