1976-1993 All published in: Annals of the South African Museum.Includes: Upper Cretaceous Ammonites from a Borehole near Richards Bay, South Africa (39 p., 15 figs) / Upper Barremian Heteroceratinae (Ammonoidea) from Patagonia and Zululand, with Comments on the Systematics of the Subfamily (44 p., 26 figs).