WAllopeas clavulinum
WAngaria sphaerula
WAporrhais senegalensis
WAsolene spixii
WCatriona aurantia
WConus moluccensis
WCrassopleura maravignae
WDomiporta circula
WDoto fragilis
WDrillia umbilicata
WDrymaeus strigatus
WEchinolittorina meleagris
WEpitonium novangliae
WEubranchus tricolor
WEulithidium tessellatum
WEuspira montagui
WFacelina bostoniensis
WFluminicola nuttallianus
WFusiturris similis
WGyraulus laevis
WHelminthoglypta nickliniana
WHelminthoglypta tudiculata
WMargarella expansa
WMonoplex wiegmanni
WNorrisia norrisii
WPalio nothus
WPleurodiscus balmei
WPropebela harpularia
WPseudotrichia rubiginosa
WPtychobela suturalis
WQuasimitra bovei
WRaphitoma corbis
WSolariella obscura
WStenomelania crenulata
WTegula patagonica
WTegula tridentata
WTurbinella laevigata
WUmbonium elegans
WVertigo alpestris
WVespericola columbiana
WVexillum cancellarioides
WVexillum intermedium
WVexillum semicostatum
WZierliana woldemarii
WZiminella salmonacea