Shell Family of Taiwan
Onchidiidae 石磺科contain1 species in Taiwan，show1 - 1
 
Onchidiidae 石磺科：Animals oval, convex dorsally, with small papillae on dorsal surface, lacking a shell. Ventral area divided into hyponotum and broad and large foot by ciliate groove. A pair of cephalic tentacles with terminal eyes retractile. Pneumatophoe through lung situated at posterior end. Genital pores separated. Live on sea shores in intertidal to splash zone.
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 Onchidium verruculatum 石磺  Cuvier, 1830