Placida is a genus of very small or minute sea slugs, marine opisthobranch gastropod mollusks in the family Limapontiidae.
Aplysia fasciata, common name the "mottled sea hare", or the "sooty sea hare", is an Atlantic species of sea hare or sea slug, a marine opisthobranch gastropod mollusk in the family Aplysiidae.
Aplysia juliana, the walking sea hare, is a species of sea hare, a marine gastropod in the family Aplysiidae.
Polybranchia is a genus of sacoglossan sea slugs, shell-less marine opisthobranch gastropod mollusks in the family Hermaeidae.
Thuridilla hopei is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusks in the family Plakobranchidae.
Hermaea is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Hermaeidae.
Curtitoma trevelliana is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Testudinalia testudinalis, common name the common tortoise limpet, is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets. It is commonly known as the plant limpet or tortoiseshell limpet.
Calliostoma occidentale, common name the boreal topsnail, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Caecum trachea is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.
Cavolinia tridentata is a species of sea butterflies, floating and swimming sea snails or sea slugs, pelagic marine gastropod molluscs in the family Cavoliniidae. It is a common species and is wide spread, being found in European waters, the Atlantic Ocean, the Caribbean Sea, the Gulf of Mexico, the Indian Ocean and in the Pacific Ocean. It lives in the photic zone of the ocean between 0 to 30m in depth.
Clio pyramidata is a species of sea butterfly, a floating and swimming sea snail, a pelagic marine gastropod mollusk in the family Cliidae.
Jordaniella nivosa is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Eulimella scillae is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Eulimella ventricosa is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Noemiamea dolioliformis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Odostomia lukisii is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.
Ondina diaphana is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Pyrgiscus rufescens is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Costasiella nonatoi is a species of sacoglossan sea slug in the genus Costasiella. It is one of few species in the genus that is not photosynthetic. The description of this species was based on two specimens which were serially sectioned and designated as the holotype. The species was named after Dr. Edmundo Nonato, a professor at the Oceanographic Institute of the University of São Paulo.
