👉 Olistrophorus is a type of marine gastropod mollusk, commonly known as clam or oysters. It has two main types: the olistrophan and the olistrophid. The olistrophan species are characterized by their elongated shell shape with large, flat plates, which are typically modified to protect the inside of the shell from external threats such as predators. Olistrophids have a single pair of long, slender legs that extend from the base of the
