👉 Cheluroidea is a group of marine gastropod mollusks that belong to the family Cephalopoda, commonly known as clams and oysters. These mollusks are characterized by their large, streamlined bodies with a long, slender body, which they use for feeding on planktonic organisms. They have eight arms (nipples) that they use for movement, and their gills are attached to the upper arm, allowing them to breathe underwater. Cheluro
