The list of marine molluscs of South Africa is a list of saltwater species that form a part of the molluscan fauna of South Africa. This list does not include the land or freshwater molluscs.
Gastropoda
See List of marine gastropods of South Africa
Bivalvia
Bivalves in South Africa include:
Nuculidae
Nucula nucleus Linnaeus, 1758
Mytilidae – Mussels
Estuarine mussel Arcuatula capensis (Cape Agulhas to Mozambique) Ribbed mussel Aulacomya ater (Namibia to Eastern Cape) Brack-water mussel Brachidontes virgiliae (Eastern Cape to Mozambique) Semistriated mussel Brachidontes semistriatus (Port Elizabeth to Mozambique) Black mussel Choromytilus meridionalis (Namibia to Tsitsikamma) Half-hairy mussel Gregariella petagnae (Namibia to central KwaZulu-Natal) Ear mussel Modiolus auriculatus (Port Elizabeth to Mozambique) Mediterranean mussel Mytilus galloprovincialis (Orange river to Eastern Cape) Brown mussel Perna perna (Cape Point to Mozambique)
Ledge mussel Septifer bilocularis (Port Elizabeth to Mozambique)
Arcidae – Ark clams
Arca avellana Lamarck, 1819 (Port Elizabeth to Mozambique) Arca navicularis Brughiere, 1789 Arca tortuosa Linnaeus 1758 Barbatia candida (Helbling, 1779) syn. Arca helblingi Oblique ark shell Barbatia obliquata (Cape Columbine to Mozambique)
Noetiidae
Striarca symmetrica (Port Elizabeth to Mozambique)
Pinnidae – Pen shells
Horse mussel Atrina squamifera (Cape Columbine to Eastern Cape) Pinna muricata (Port Elizabeth to Mozambique)
Gryphaeidae
Hyotissa numisma (Transkei to Mozambique)
Ostreidae – True oysters
Weed oyster Ostrea algoensis Sowerby, 1871
Ostrea atherstonei (Saldanha Bay to KwaZulu-Natal south coast) Natal rock oyster Saccostrea cuccullata (Port Elizabeth to Mozambique) (syn. Crassostrea cuccullata) Cape rock oyster Striostrea margaritacea (Cape Point to Mozambique)
Anomiidae – Saddle oysters
Saddle oyster Anomia achaeus (Port Elizabeth to Mozambique)
Gryphaeidae – Honeycomb oysters
Hyotissa numisma
Pteriidae – Pearl oysters
Cape pearl oyster Pinctada capensis (Cape Agulhas to Mozambique)
Pectinidae – Scallops
Dwarf fan shell Chlamys tincta (Cape Columbine to Mozambique) Scallop Pecten sulcicostatus (Cape Point to Eastern Cape)
Limidae – File shells
File shell Limaria tuberculata (Cape Columbine to KwaZulu-Natal south coast)
Cardiidae – Cockles
Cockle Trachycardium flavum (Central KwaZulu-Natal to Mozambique) Trachycardium rubicundum (Eastern Transkei to Mozambique)
Tridacnidae – Giant clams
Giant clam Tridacna squamosa (Northern KwaZulu-Natal to Mozambique) Tridacna maxima (Zululand)
Mactridae – Trough shells
Otter shell Lutraria lutraria (Namibia to Eastern Cape) Smooth trough shell Mactra glabrata (Cape Columbine to Mozambique) Angular surf clam Scissodesma spengleri (Cape Point to Eastern Cape)
Carditidae
Rectangular false cockle Cardita variegata (Mossel Bay to Mozambique) Dead man's hands Thecalia concamerata (Port Nolloth to Transkei)
Condylocardiidae
Rough false cockle Carditella rugosa (Mossel Bay to central KwaZulu-Natal) Carditella capensis (West coast)
Solenidae
Pencil bait Solen capensis (Namaqualand to Eastern Cape) Solen cylindraceus (Transkei to Mozambique)
Lucinidae
Smooth platter shell Loripes clausus Philippi 1848 (Mossel Bay to Mozambique)
Unionidae
Toothless platter shell Anodontia edentula Linnaeus 1758 (Mossel Bay to Mozambique)
Lasaeidae
Dwarf rusty clam Lasaea adansoni turtoni (Cape Point to Mozambique) Gmelin 1791
Tellimya trigona (West coast)
Tellinidae
Ridged tellin Gastrana matadoa (Cape Point to northern KwaZulu-Natal) Littoral tellin Macoma litoralis (Mossel Bay to Mozambique) Port Alfred tellin Tellina alfredensis Linnaeus 1758 (Cape Point to KwaZulu-Natal south coast) Tellina capsoides (Durban to Mozambique) Gilchrist's tellin Tellina gilchristi (Cape Columbine to Eastern Cape) Tellina trilatera (Orange river to Transkei)
Teredinidae
Shipworm Bankia carinata (Mossel Bay to Mozambique)
Donacidae – Wedge shells
Donax bipartitus (East London to Mozambique) Round ended wedge shell Donax burnupi (Cape Point to Mozambique) Slippery wedge shell Donax lubricus (Port Alfred to Mozambique) Ridged wedge shell Donax madagscariensis (Transkei to Mozambique) White mussel or Wedge shell Donax serra (Namibia to Transkei) Donax sordidus (Cape Point to Transkei)