"G.B. Sowerby II, 1855" . "4362899" . _:b76734242 "216704" . "Cerithium purpurascens G.B. Sowerby II, 1855" . "Cerithium purpurascens" . . _:b75985439 . . . . _:b76734242 . "216704" . "Cerithium purpurascens" . _:b76734242 "WoRMS id" . _:b75985439 "GBIF id" . _:b75985439 . _:b75985439 . . . . . "549618" . _:b76734242 . _:b75985439 "4362899" . . . _:b76734242 . .