Graptolites et Chitinozoaires Siluriens de la vallée de la Burdinale, Massif du Brabant, Belgique
Verniers, J.; Rickards, B. (1979). Graptolites et Chitinozoaires Siluriens de la vallée de la Burdinale, Massif du Brabant, Belgique. Ann. Soc. géol. Belg. (1968) 101: 149-161
In: Annales de la Société géologique de Belgique. Vaillant-Carmanne: Liège. ISSN 0037-9395, meer
Assemblages of graptolites and chitinozoans are descnbed respectively by B. RICKARDS and J. VERNIERS from Silurian deposits which were studied in the Burdinale valley by J. VERNIERS (Ph. D. dissertation, 1976). These assemblages allow biostratigraphic zonations covering a time interval from late Llandovery to middle Wenlock.
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