WAmphidromus cruentatus is a species of air-breathing tree snail, an arboreal gastropod mollusk in the family Camaenidae.
WAstralium semicostatum, common name the half-ribbed star shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
WBrachytoma tuberosa is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.
WBrotia sumatrensis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.
WBuccinum mirandum is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks.
WBuccinum parvulum is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks.
WCalliostoma multiliratum is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
WCalliostoma poupineli is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
WCanalispira olivellaeformis is a species of sea snail, a marine gastropod mollusk, in the family Cystiscidae.
WClavatula caerulea is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
WConus gradatulus is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
WConus lischkeanus, the Lischke's cone, is a species of predatory sea snail, a marine gastropod mollusk in the family Conidae, the cone snails, cone shells or cones.
WCorilla beddomeae is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Corillidae.
WDemissa nevilli is a species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.
WDrillia clionellaeformis is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WEmbertoniphanta farafanga or Helicophanta farafanga is a species of air-breathing land snail, a terrestrial pulmonate gastropods mollusk in the family Acavidae. The species occurs in Madagascar.
WEucithara dubiosa is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
WEucithara gradata is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
WEucithara isseli is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
WEucyclotoma carinulata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WFuna jeffreysii, common name Jeffrey's turrid, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies
WGibberula asellina is a species of sea snail, a marine gastropod mollusk, in the family Cystiscidae.
WGoniobranchus verrieri is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.
WGranulina isseli is a species of very small sea snail, a marine gastropod mollusk or micromollusk in the family Granulinidae.
WGranuliterebra bathyrhaphe is a species of sea snail, a marine gastropod mollusk in the family Terebridae, the auger snails.
WHemilienardia contortula is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WLaemodonta siamensis is a species of small air-breathing saltmarsh snails, terrestrial pulmonate gastropod mollusks in the family Ellobiidae.
WMangelia indistincta is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WMiamira miamirana is a species of colorful dorid nudibranch, a sea slug, a shell-less marine gastropod mollusk in the family Chromodorididae.
WMunditia tasmanica, common name the Tasmanian liotia, is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.
WNotodoris citrina is a species of sea slug. It is a dorid nudibranch, a shell-less marine gastropod mollusc in the family Aegiridae.
WObesotoma gigas is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WParadrillia inconstans is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae, the turrids.SubspeciesParadrillia inconstans prunulum (Melvill, J.C. & R. Standen, 1901)
WParadrillia patruelis is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
WParamontana blanfordi is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WPeristernia forskalii, common name the Forsskal's whelk, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
WPseudodaphnella martensi is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WPseudorhaphitoma fairbanki is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
WRaphitoma enginaeformis is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WRaphitoma nivea is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WScutellastra chapmani is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Patellidae, one of the families of true limpets.
WSplendrillia lucida is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
WSyrnola bifasciata, common name the two-banded pyramid shell, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
WTriptychus niveus is a species of small sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.