WAcanthinucella punctulata, common name: the spotted thorn drupe, is a species of predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
WAlbinaria caerulea is a species of air-breathing rock-dwelling clausiliidae land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails.
WAplysiopsis elegans is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Hermaeidae.
WBela fuscata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WBelloliva triticea is a species of sea snail, a marine gastropod mollusk in the family Bellolividae, the olives.
WBiomphalaria peregrina is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
WBiomphalaria tenagophila is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
WBulimulus tenuissimus is a species of tropical air-breathing land snail, a pulmonate gastropod mollusk in the subfamily Bulimulinae.
WBursa cruentata is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.
WBursa rhodostoma, common name the wine-mouth frog shell, is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.
WBursa rugosa is a species of sea snail, a marine gastropod mollusk in the family Bursidae, the frog shells.
WChauvetia turritellata is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks.
WChilostoma achates is a species of medium-sized, air-breathing, land snail, a terrestrial pulmonate gastropod mollusk in the family Helicidae, the true snails. IUCN has defined the snail as Near threatened, due to the development of tourism.
WChilostoma faustina is a species of medium-sized, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicidae, the true snails.
WCochlicopa lubricella is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Cochlicopidae.
WCronia amygdala is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
WDanilia otaviana is an extinct species of sea snail, a marine gastropod mollusk in the family Chilodontidae.
WDiloma subrostratum, common name the mudflat top shell, is a species of small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
WDiodora inaequalis is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
WDiodora lineata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
WDiodora rueppellii, common name the Rüppell's keyhole limpet, is a species of sea snail, a marine gastropod mollusc in the family Fissurellidae, the keyhole limpets.
WEulimella scillae is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
WFelicioliva kaleontina is a species of sea snail, a marine gastropod mollusc in the family Olividae, the olives.SubspeciesFelicioliva kaleontina chimu Petuch & Berschauer, 2017 Felicioliva kaleontina kaleontina (Duclos, 1835)
WFelimare tricolor is a colourful species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
WFissurella latimarginata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
WFissurella limbata is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
WFissurella microtrema, common name the rugose slit limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
WFissurella virescens, common name the green Panama keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.
WGibbula turbinoides is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
WHarmozica ravergiensis is a species of an air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Hygromiidae, the hairy snails and their allies.
WLucapina sowerbii, common name Sowerby's fleshy limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
WLyria anna is a species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.
WMangelia multilineolata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WMangelia taeniata, common name the filleted mangelia, is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WMangelia unifasciata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
WMitromorpha olivoidea is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.
WMontenegrina cattaroensis is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.
WMuticaria macrostoma is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails, all of which have a clausilium.
WNassarius castus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
WOliva atalina is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
WOliva australis is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
WOliva caroliniana, common name the carolinian olive shell, is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
WOliva nitidula is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
WOliva panniculata is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
WOliva tigridella is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
WOlivella anazora is a species of small sea snail, marine gastropod mollusk in the family Olivellidae, the dwarf olives.
WOlivella esther is a species of small sea snail, marine gastropod mollusk in the family Olivellidae, the dwarf olives.
WOlivella lepta is a species of small sea snail, marine gastropod mollusk in the family Olivellidae, the dwarf olives.
WOlivella puelcha is a species of small sea snail, marine gastropod mollusk in the family Olivellidae, the dwarf olives.
WOlivella pulchella is a species of small sea snail, marine gastropod mollusk in the family Olivellidae, the dwarf olives.
WOlivella tergina is a species of small sea snail, marine gastropod mollusk in the family Olivellidae, the dwarf olives.
WOxychilus glaber is a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Oxychilidae, the glass snails.
WOxygyrus keraudrenii is a species of sea snail, a holoplanktonic marine gastropod mollusk in the family Atlantidae.
WPolinices immaculatus, common name the immaculate moonsnail, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
WRaphitoma columnae is an extinct species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WThe tasselled nudibranch, scientific name Kaloplocamus ramosus, is a species of sea slug, a dorid nudibranch, and a marine gastropod mollusc in the family Polyceridae.
WTrimusculus reticulatus is a species of small air-breathing sea snail or false limpet, a pulmonate gastropod mollusc in the family Trimusculidae, the button snails.
WTritonoturris cumingii is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
WTurbonilla interrupta, common name the interrupted turbonille, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.