Bivalves (Bivalvia) also commonly known as Clams, is a biological class of the kingdom Animalia and phylum Mollusca.
Arcoida
Limoida
Myoida
Mytiloida
Nuculoida
Ostreoida
Pholadomyoida
Pterioida
Solemyoida
Trigonioida
Unionoida
Veneroida
Bivalvia
Caudofoveata
Gastropoda
Monoplacophora
Cephalopoda
Polyplacophora
Solenogastres
Scaphopoda