_:b73749201 . _:b73749201 "Biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in \u00CEle de Clipperton" . _:b73749201 "Cerithium atromarginatum has biogeographical status P (Pr\u00E9sent (indig\u00E8ne ou ind\u00E9termin\u00E9)) in \u00CEle de Clipperton" . _:b73749201 . _:b73749201 . _:b73749201 . _:b73749201 . _:b73749201 .