_:b72808171 "Biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b72808171 . _:b72808171 . _:b72808171 "Unio mancus requienii has biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b72808171 . _:b72808171 .