WAegopinella epipedostoma is a species of small land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae, the glass snails.SubspeciesAegopinella epipedostoma epipedostoma (Fagot, 1879) Aegopinella epipedostoma iuncta Hudec, 1964
WAsperdaphne peradmirabilis is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WAsperdaphne subzonata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WAsthelys munda is a species of sea snail, a marine gastropod mollusk in the family Seguenziidae.
WAsthelys simplex is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.
WBasilissa superba is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.
WBasilissopsis oxytropis is a species of extremely small deep water sea snail, a marine gastropod mollusk in the family Seguenziidae.
WCalliostoma stirophorum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
WCalliotropis aeglees is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.
WCalliotropis infundibulum is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.
WCalliotropis tiara is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.
WCarenzia trispinosa is a species of sea snail, a marine gastropod mollusk in the family Seguenziidae.
WClanculus undatoides is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
WClavus candens is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WClavus humilis is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WClavus subobliquatus is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WClavus wilmeri is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WClithon retropictum is a species of freshwater and brackish water snail with an operculum, a nerite. It is an aquatic gastropod mollusk in the family Neritidae, the nerites.
WCochlostoma elegans is a land snail species in the genus Cochlostoma. It is found on the island of Pag in Croatia.
WConus andamanensis is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
WConus carnalis is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
WConus melvilli, common name Melvill's cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
WCrassispira flavonodulosa is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.
WEntemnotrochus rumphii, common name the Rumphius' slit shell, is a species of large sea snail with gills and an operculum, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
WFelimare californiensis, common name the California blue dorid, is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae that eats dysideid sponges.
WGaza daedala is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.
WGoniobranchus albopunctatus is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
WGuraleus delicatulus is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WHadroconus altus is a species of sea snail, a marine gastropod mollusk in the family Seguenziidae.
WHelicophanta ibaraoensis is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Acavidae. The species occurs in Madagascar.
WHomalopoma indutum, common name the two-faced dwarf turban, is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Colloniidae.
WKuroshiodaphne fuscobalteata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WLampedusa imitatrix is a species of small, very elongate, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.
WLeiocithara longispira is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WMangelia robusticostata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WMargarites scintillans is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.
WMicrodrillia difficilis is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
WMicrodrillia niponica is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
WMicrodrillia triporcata is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.
WMinopa legrandi, common name Legrand's top shell, is a species of very small sea snail, a marine gastropod mollusc or micromollusk in the family Trochidae, the top snails.
WMitromorpha alba is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.
WNanula tasmanica is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails
WParadrillia consimilis is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae, the turrids.
WPeristernia castanoleuca is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
WPhanerolepida transenna is a rare species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
WPittieria aurantiaca is a species of predatory air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Spiraxidae.
WPlanorbella duryi, common name the Seminole rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
WPleurotomella insignifica is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WPterynotus loebbeckei is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
WPyramidula chorismenostoma is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pyramidulidae.
WSolariella charopa is a species of sea snail, a marine gastropod mollusk in the family Solariellidae.
WSplendrillia intermaculata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WSplendrillia raricostata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WTrochus subincarnatus is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
WTurbonilla magnifica is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
WVanitrochus semiustus is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Trochidae, the top snails.
WVeprecula gracilispira is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.