The onset of anoxic conditions in the early Barremian of the Boreal Realm evidenced by benthic foraminifera
Keywords: باریمین; Benthic foraminifera; Hauterivian; Barremian; Black shales; Paleoecology; Boreal Realm; Foraminifères benthiques; Hauterivien; Barrémien; Argilites noires; Paléoécologie; Domaine Boréal;