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Admetula atopodonta is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.

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Agariste phrygium is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.

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Amblychilepas platyactis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.

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Amoria rinkensi is a species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.

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Anarithma maesi is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.

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Aplysia gigantea is a species of sea slug, a shell-less marine gastropod mollusk in the family Aplysiidae. The species was first described in the Journal of the Malacological Society of Australia in 1869. A. gigantea is also known more commonly as the sea hare due to their posterior chemosensory tentacles resembling a hare's ear. A. gigantea is the largest known species in Australia of the opisthobranch genus. The species is known to have toxic effects on terrestrial organisms, particularly domestic dogs. Exposure to this species with dogs has been associated with the development of neurotoxicosis, with symptoms ranging from respiratory distress to tremors, muscle fasciculations, and seizures.

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Ardeadoris cruenta is a species of very colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae. Its name is derived from the feminine form of the Latin word cruentus, which means "stained with blood" and is a reference to the red spots on its upper dorsum. It was transferred to the genus Ardeadoris on the basis of DNA evidence.

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Bathycrinicola macrapex is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.

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Bathycrinicola micrapex is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.

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Bathytoma prodicia is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

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Bulimeulima magna is a species of medium-sized sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of two known species to exist within the genus Bulimeulima; the other congener is Bulimeulima incolorata.

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Caymanabyssia sinespina is a species of small sea snail, a marine gastropod mollusk in the family Caymanabyssiidae, the false limpets.

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Colotrachelus hestica is a species of small sea snail, a marine gastropod mollusk in the family Pseudococculinidae, the false limpets.

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Coluzea liriope is a species of large sea snail, marine gastropod mollusk in the family Columbariidae.

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Conus alconnelli, common name, the Lemonglass cone is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus curralensis is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus diminutus is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus luciae is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus navarroi is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus penchaszadehi is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus rolani, common name Rolan's cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus sahlbergi is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus saragasae is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus sculpturatus is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus sertacinctus is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus swainsoni is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Conus xanthocinctus is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

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Crinolamia angustispira is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.

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Crisilla basteriae is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

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Curveulima obliquistoma is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Curveulima.

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Dendrofissurella is a monotypic genus of minute deepwater keyhole limpets, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets and slit limpets.

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Diversidoris crocea is a species of colourful sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.

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Diversidoris flava is a yellow species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.

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Doriprismatica stellata is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.

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Eulima anonyma is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Eulima.

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Eulima chionea is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Eulima.

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Eulima grimaldii is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Eulima.

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Eulima incolor is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Eulima.

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Eulima strongylostoma is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of a number within the genus Eulima.

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Eulitoma arcus is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.

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Eulitoma obtusiuscula is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.

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Fusceulima thalassae is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.

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Insulivitrina mascaensis is a species of gastropod in the Vitrinidae family. It is endemic to Spain.

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Leptotrophon minirotundus is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

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Medusafissurella is a genus of minute deepwater keyhole limpets, marine gastropod mollusks or micromollusks in the family Fissurellidae, the keyhole limpets and slit limpets.

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Murexsul ianlochi is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

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Muricopsis (Muricopsis) omanensis is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

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Naquetia vokesae is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

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Natica tedbayeri is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.

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Phyllidia undula is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Phyllidiidae.

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Scutellastra aphanes is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Patellidae, one of the families of true limpets.

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Verconia alboannulata is a species of colourful sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.

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Verconia laboutei is a species of colourful sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.