WAegeridae
WAngustidontidae
WArchaebranchinecta barstowensis
WArchaeogeryon
WBelotelson
WBylgia
WCeratiocaris
WColeia
WColeiidae
WDaira speciosa
WDusa
WDynomenidae
WEumorphocorystes
WHymenocaris
WIliella
WKallidecthes
WKiangsuaspis
WLobocarcinus
WLobocarcinus sismondai
WMecochirus
WMecochirus longimanatus
WNeptunus (crab)
WOdaraia
WOstenocaris
WPalaeobenthesicymus
WPalaeocarpilius
WPeachocaris
WPectocaris
WPriscansermarinus
WProtocaris
WTesnusocaris
WThylacares