WAllonnia
WAmiskwia
WAnabarites
WArcheognathus
WArkarua
WChancelloria
WCharniodiscus
WCoronacollina acula
WCyclomedusa
WDinomischus
WEchmatocrinus
WFunisia
WInaria
WKimberella
WMicroschedia
WOesia
WParvancorina
WPollingeria
WPortalia
WProtonympha
WPywackia
WRutgersella
WSalterella
WTemnoxa molluscula
WThectardis
WTorellella
WTribrachidium
WVolborthella