- Subclass: Paleotaxodonta
- Order: Nuculoida
- Superfamily: Nuculacea
- Family: Nuculidae
- Family: Nuculanidae
- Family: Malletiidae
- Subclass: Cryptodonta
- Order: Solemyoida
- Superfamily: Solemyacea
- Family: Solemyidae
- Subclass: Pteriomorpha
- Order: Arcoida
- Superfamily: Arcacea (ark shells)
- Family: Arcidae
- Family: Noetiidae
- Family: Cuculaeidae
- Superfamily: Limopsacea
- Family: Limopsidae
- Family: Glycymerididae
- Family: Manzanellidae
- Family: Philobryidae
- Order: Mytiloida
- Superfamily: Mytilacea
- Family: Mytilidae (sea mussels)
- Superfamily: Pinnacea
- Family: Pinnidae (pen shells)
- Order: Pterioida
- Superfamily: Pteriacea
- Family: Pteriidae (pearl oysters)
- Family: Isognomonidae
- Family: Malleidae
- Superfamily: Pectinacea
- Family: Pectinidae (scallops)
- Superfamily: Ostreacea
- Family: Gryphaeidae
- Family: Ostreidae (food oysters)
- Family: Plicatullidae
- Family: Spondylidae
- Family: Dimyidae
- Superfamily: Anomiacea
- Family: Anomiidae (jingle shells)
- Superfamily: Limacea
- Family: Limidae
- Subclass: Paleoheterodonta
- Order: Unionoida
- Superfamily: Unionacea
- Family: Unionidae
- Order: Trigonioida
- Superfamily: Trigoniacea
- Family: Trigoniidae
- Subclass: Heterodonta
- Order: Veneroida
- Superfamily: Lucinacea
- Family: Lucinidae
- Family: Fimbriidae
- Family: Thyasiridae
- Family: Ungulinidae
- Superfamily: Chamacea
- Family: Chamidae (jewel boxes)
- Superfamily Galeommatacea (lepton clams)
- Family: Galeommatidae
- Family: Erycinidae
- Family: Kellidae
- Family: Leptonidae
- Family: Montecutidae
- Family: Chlamydoconchidae
- Superfamily: Carditacea
- Family: Carditidae
- Family: Condylocardiidae
- Superfamily: Crassatellacea
- Family: Astartidae
- Family: Crassatellidae
- Superfamily: Cardiacea
- Family: Cardiidae (cockles)
- Superfamily: Tridacnacea
- Family: Tridacnidae (giant clams)
- Superfamily: Mactracea
- Family: Mactridae
- Family: Mesodesmatidae
- Superfamily: Solenacea
- Family: Solenidae
- Family: Cultellidae
- Superfamily: Tellinacea
- Family: Tellinidae
- Family: Donacidae
- Family: Psammobiidae
- Family: Scrobiculasriidae
- Family: Semelidae
- Family: Solecurtidae
- Superfamily: Gaimardiacea
- Family: Gaimardiidae
- Superfamily: Arcticacea
- Family: Arcticidae
- Family: Bernardinidae
- Family: Trapeziidae
- Superfamily: Glossacea
- Family: Glossidae
- Family: Vesicomyidae
- Superfamily: Veneracea
- Family: Veneridae (Venus Clams)
- Family: Petricolidae
- Family: Cooperellidae
- Superfamily: Corbiculacea
- Family: Pisidiidae
- Superfamily: Dreissenacea
- Family: Dreissenidae (zebra clams)
- Order: Myoida
- Superfamily: Myacea
- Family: Myidae
- Family: Corbulidae
- Superfamily: Gastrochaenidae (rock boring clams)
- Family: Gastrochaenidae
- Superfamily: Hiatellidae
- Family: Hiatellidae
- Superfamily: Pholadacea
- Family: Pholadidae (piddocks)
- Family: Teredinidae (shipworms)
- Subclass: Anomalodesmata
- Order: Pholadomyoida
- Superfamily: Pholadomyacea
- Family: Pholadomyidae
- Superfamily: Pandoracea
- Family: Pandoridae
- Family: Cleidothaeridae
- Family: Lyonsiidae
- Family: Myochamidae
- Family: Periplomatidae
- Family: Thraciidae
- Superfamily: Poromyacea
- Family: Poromyidae
- Family: Cuspidariidae
- Family: Verticordiidae
- Superfamily: Clavagellacea (watering pot clams)
- Family: Clavagellidae
Arca tortuosa
Twisted Arc Shell
Family: Arcidae
Pinna rugosa
Rugged Pen Shell
Family: Pinnidae
Maleus albus
Hammer Oyster
Family: Malleidae
Pecten vogdesi
Vogde's Scallop
Family: Pectinidae
Lopha crystagalli
Cock's Comb Oyster
Family: Ostreidae
Placuna ephihippus
Large Windowpane
Family: Anomiidae
Chama reflexa
Reflexed Jewel Box
Family: Chamidae
Clinocardium nuttali
Nuttal's Cockle
Family: Cardiidae
Solen sicarius
Blunt Jacknife Clam
Family: Solenidae
Macrocallista nimbosa
Sunray Venus
Family: Veneridae
Megapitaria aurantiaca
Golden Callista
Family: Veneridae
Barnea subtruncata
Truncated Piddock
Family: Pholadidae