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

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Bruceiella laevigata is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.

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Chelidonura livida is a species of sea slug, or "headshield slug", a marine opisthobranch gastropod mollusk in the family Aglajidae.

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Crassispira tuckeri is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. Fossils have been found in Eocene strata in the Paris Basin, France.

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Genotina adamii is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

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Goniobranchus heatherae, the red-spotted nudibranch, is a species of colourful sea slug, a dorid nudibranch. It is a marine gastropod mollusc in the family Chromodorididae.

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Goniobranchus lekker is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.

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Goniobranchus tritos is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

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Hypselodoris shimodaensis is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

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Imbricaria hrdlickai is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.

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Marginella adamkusi is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

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Marginella carquejai is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

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Marginella luculenta is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

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Marginella simulata is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

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Marginella undulans is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.

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Okenia luna is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.

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Spinicalliotropis lamellifera is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.

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Tambja olivaria is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae.

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

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