WAssimineidae
WAcmella (gastropod)
WAcmella nana
WAssiminea
WAssiminea grayana
WAssimineidae
WChalicopoma semicostulatum
WDuritropis albocarinata
WMetassiminea
WOmphalotropis
WOmphalotropis rubens
WOpinorelia
WOptediceros
WOptediceros breviculum
WTelmosena suteri