_:b73128204 . _:b73128204 . _:b73128204 "Biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b73128204 "Triraphaspis hymenophylli has biogeographical status A (Absent) in \u00CEle de Clipperton" . _:b73128204 . _:b73128204 .