👉 Barretonus is a genus of extinct fish belonging to the order Chondrichthyes, which includes some of the most iconic and well-preserved specimens in the fossil record. These fish are known for their large size and distinctive features, including elongated bodies with long, slender tails that can be as long as 10 feet (3 meters) in length. Barretonus is also characterized by its unique body shape and development of a tailless tail, which is not common
