Citation: Watkins R.c et Veltkamp C.j, Microevolution and migration of the benthonic foraminiferan Gavelinella pseudoexcolata (KALININ, 1937) within the Upper Cretaceous (Santonian-Campanian) of the Anglo-Paris basin, Revue de micropaleontologie , 37(4), 1994, pp. 321-338