The Genus Keppleritiana gen. nov. (Stephanoceratidae, Ammonoidea) from the Upper Bajocian of the Northern Caucasus
Title of journal Paleontological Journal
Keywords Northern Caucasus Ammonoidea MIDDLE JURASSIC UPPER BAJOCIAN Stephanoceratidae Garantianinae Keppleritiana Niortense Zone
Year 2017
Volume 51
Pages 247–257
Website https://link.springer.com/article/10.1134/S0031030117030066
Author: V. V. Mitta,