Abstract:
The study of Jurassic gastropods from Central Russia revealed three genera met for the first time in the region under discussion, i.e., Teutonica Schröder, 1995, Longaevicerithium gen. nov., and Novoselkella gen. nov. The structure of embryonic and postembryonic whorls of these gastropods suggests that the genus Teutonica belongs to the family Protorculidae, the genus Longaevicerithhium belongs to the family Eumetulidae, and the genus Novoselkella belongs to the family Cerithiopsidae. The composition of the family Protorculidae is discussed. Three species are described within the genera, two are new, Teutonica tatianae sp. nov., and Novoselkella novoselkensis sp. nov. Procerithium (Plicacerithium) bitzae Geras. is considered to be the type species of the new genus Longaevicerithium.
