THE AMMONOIDEA OF THE UPPER CHALK

摘要

A total of 34 species, assigned to 19 genera belonging to the suborders Phylloceratina, Lytoceratina and Ammonitina are described. One species is new. Nine are from the Upper Turonian, three from the Santonian (of which one is already present in the Coniacian), one from the Lower Campanian, 20 from the Upper Campanian and one from the Lower Maastrichtian.