CLASS BIVALVIA (bis, twic + vala; leaf)
saadia CLASS BIVALVIA (bis, twic + vala; leaf) There are 30,000 species of this class. It is the second largest molluscan class. This class includes the clams, oysters, mussels, and scallops.…
CLASS BIVALVIA (bis, twic + vala; leaf) There are 30,000 species of this class. It is the second largest molluscan class. This class includes the clams, oysters, mussels, and scallops.…