👉 Calyciformes is a family of marine gastropod mollusks, commonly known as clam or clams. They are characterized by their long, slender bodies and small, flat shells that have a smooth, white surface. The term "calyciform" refers to the specific type of shell found in these animals, which is usually called a "solenite". Solenites are not shells but rather hard, calcareous structures within the body of clams. They often form
