The list of marine heterobranch gastropods of South Africa is a list of saltwater mollusc species that form a part of the molluscan fauna of South Africa. This list does not include the land or freshwater molluscs. This is a sub-list of the list of marine gastropods of South Africa, which is in turn a sub-list of the list of marine molluscs of South Africa.

Heterobranchia

Architectonicidae Siphonariidae - False limpets Ringiculidae Acteonidae Bullinidae Hydatinidae Cylichnidae Retusidae Philinidae Gastropteridae Aglajidae Haminoeidae Runcinidae Bullidae Limacinidae Cavoliniidae Peraclididae Cymbuliidae Desmopteridae

Gymnosomata

Clionidae Pneumodermatidae

Anaspidea

Akeridae Aplysiidae

Sacoglossa

Oxynoidae Juliidae Volvatellidae Placobranchidae Limapontiidae Caliphyllidae Hermaeidae

Notaspidea

Umbraculidae Pleurobranchidae

Nudibranchia - Nudibranchs

Bathydorididae Dorididae The following four species are listed as incertae sedis by Gosliner: Actinocyclidae Chromodorididae Discodorididae Phyllidiidae Dendrodorididae Mandeliidae Onchidorididae Corambidae Goniodorididae Polyceridae Aegiridae Gymnodorididae Hexabranchidae Okadaiidae Charcotiidae Dotidae Embletoniidae Proctonotidae Arminidae Tritoniidae Aranucidae Bornellidae Dendronotidae Scyllaeidae Tethydidae Flabellinidae Fionidae Eubranchidae Tergipedidae Aeolidiidae Facelinidae Glaucidae Family ? Cavoliniidae

Pulmonata

Onchidiidae