mollusk
Mollusks (phylum mollusca) are invertebrate animals with soft, unsegmented body and lateral symmetry, usually aren't vermiform and, in many cases, are protected by external or internal calcareous shell. Cephalopods Gastropods Bivalves
Mollusks (phylum mollusca) are invertebrate animals with soft, unsegmented body and lateral symmetry, usually aren't vermiform and, in many cases, are protected by external or internal calcareous shell. Cephalopods Gastropods Bivalves