. _:b76710081 . "Placostylus guestieri var. confusus" . . . . "Placostylus guestieri var. confusus" . "Placostylus guestieri var. confusus Pilsbry, 1900" . _:b76710081 "1431971" . _:b76710081 "WoRMS id" . "1431971" . _:b76710081 . "906742" . _:b76710081 . . . . . "Pilsbry, 1900" . . .