Revision of the jurassic cephalopod fauna of Kachh (Cutch). Part 3 / Пересмотр фауны юрских головоногих Качха (Cutch). Часть 3

Since the Jurassic deposits of Kachh have yielded only very few pre. 'Callovian Cephalopods, it is unnecessary to deal in detail with the early members of the present super-family. The Stephanoceratidae* in the restricted sense, although typically Bajocian, with genera like Polyplectites (= group of Amm. linguiferus d'Orbigny and 'Stephanoceras' daubenyi, Gemmellaro) undoubtedly persisted to the Middle and even Upper Bathonian (Siemiradzkian and Oxyceritan). No forms of this family, or of Sphaeroceratidae and of Tulitidae, descendants of Stephanoceratidae s.s., have yet been found in Kachh. <...>