New Gastropod Species from the Pleistocene
of the Upper Don Basin

P. E. Kondrashov

Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya ul. 123, Moscow, 117997 Russia

Northwest Missouri State University, 800 University Drive, Maryville, MO 64468, USA


Received August 3, 2006

Abstract—Two new species of fossil freshwater gastropods, Borysthenia intermedia sp. nov. and Tanousia
sp. nov., from the Tiraspol deposits of the Middle Pleistocene of the Oka–Don Plain are described.
Parafossarulus priscillae
(Girotti, 1972), Viviparus diluvianus (Künth, 1865), and Lithoglyphus jahni Urbasn-
ski, 1975 are reported from Russia for the first time. The status of some problematic species of freshwater gas-
tropods from the Middle Pleistocene of the region studied is discussed. The chronological and environmental
significance of all gastropods studied is given.

DOI: 10.1134/S0031030107050061

Key words: Gastropoda, mollusks, new species, biostratigraphy, paleoenvironment, Middle Pleistocene, Russia.

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