WPatellidae
WCymbula
WCymbula adansonii
WCymbula compressa
WCymbula granatina
WCymbula miniata
WCymbula oculus
WCymbula safiana
WHelcion
WHelcion concolor
WHelcion pectunculus
WHelcion pruinosus
WPatella (gastropod)
WPatella aspera
WPatella caerulea
WPatella candei
WPatella depressa
WPatella ferruginea
WPatella lugubris
WPatella pellucida
WPatella piperata
WPatella rustica
WPatella ulyssiponensis
WPatella variabilis
WPatella vulgata
WScutellastra
WScutellastra aphanes
WScutellastra argenvillei
WScutellastra barbara
WScutellastra chapmani
WScutellastra cochlear
WScutellastra exusta
WScutellastra flexuosa
WScutellastra granularis
WScutellastra kermadecensis
WScutellastra laticostata
WScutellastra longicosta
WScutellastra mexicana
WScutellastra peronii
WScutellastra tabularis
WScutellastra tucopiana