WAmblema plicata
WAmnicola limosus
WAnguispira alternata
WAnodontites
WAriolimax columbianus
WAtrimitra idae
WBanana slug
WBlue mussel
WCampeloma decisum
WCracking pearlymussel
WElktoe
WEuglandina rosea
WGiant Pacific octopus
WGyraulus parvus
WHaplotrema concavum
WHelisoma anceps
WHermissenda crassicornis
WLampsilis teres
WLasmigona costata
WLeptodea ochracea
WMegalodon (bivalve)
WNovisuccinea ovalis
WOcythoe tuberculata
WOpisthoteuthis californiana
WPhysella gyrina
WPinna carnea
WPleurocera acuta
WQuadrula
WRossia pacifica
WRossia palpebrosa
WRotundaria pustulosa
WThickshell pondsnail
WTriopha catalinae
WVillosa iris