👉 The term "opisthognathous" is used to describe a type of cephalic snail, which are marine gastropod mollusks. They have a long, slender body and a pair of large eyes located at the base of the shell. These mollusks are known for their unique characteristics, including their ability to produce an opisthogenesis apparatus that allows them to climb on surfaces such as rocks or other hard objects. Additionally, they can also be found in