Dodatak:Popis mekušaca, W
Wa
uredi- Wainuia
- Wairarapa
- Waisiuconcha
- Waldo
- Wallucina
- Wanganella
- Wareniconcha
- Warrana
- Watasenia scintillans (Berry, 1911)
Mollusca → Cephalopoda → Oegopsida → Enoploteuthidae
-
Watasenia scintillans
-
Watasenia scintillans
- Wattebledia
We
uredi- Weedingia
- Weinkauffia
- Wemersoniella
- Wemersoniellidae
- Westaustrocuna
Westracystis Iredale, 1933
uredi- Westracystis fredaslini Solem, 1982
- Westracystis lissus Smith, 1894
Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae
- Westralaoma
- Westraltrachia
- Westralunio
- Westrapyrgus
Wi
urediWilhelminaia Preston, 1913
uredi- Wilhelminaia mathildae Preston, 1913
Mollusca → Gastropoda → Pulmonata → Helicarionoidea → Helicarionidae → Helicarioninae
- Williamia
- Wirenia
- †Wiwaxia foliosa Yang et al. 2014[1]
Wo
uredi- Woodbridgea
- Woodringilla
Wr
uredi- Wrayanna
Wu
uredi- Wunderpus
Wy
uredi- †Wyattella allisoni Adegoke 1967
- †Wyattella edwini Adegoke 1967
Mollusca → Gastropoda → Sorbeoconcha → Cerithioidea → Turritellidae → Turritellinae
- Wykoffia