The ammonite subgenus Pervinquieria (Deiradoceras) van Hoepen, 1931 from the Upper Albian of KwaZulu-Natal, South Africa. Part I

Abstract

The cosmopolitan Late Albian ammonite subgenus Pervinquieria (Deiradoceras) van Hoepen, 1931, and its synonyms Cechenoceras van Hoepen, 1941 and Mimeloceras van Hoepen, 1944, originally based on material from northern KwaZulu-Natal, are reviewed. The type material of the type species, Subschloenbachia prerostrata Spath, 1921, is revised and reillustrated, as are its numerous synonyms.