Late Bajocian and Early Bathonian Ostracods of the Russian Plate. Part I: Genera Plumhoffia Brand and Aaleniella Plumhoff,Paleontological Journal

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Late Bajocian and Early Bathonian Ostracods of the Russian Plate. Part I: Genera Plumhoffia Brand and Aaleniella Plumhoff
Paleontological Journal ( IF 0.7 ) Pub Date : 2022-04-22 , DOI: 10.1134/s0031030122020125
E. M. Tesakova _{1,

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Affiliation

Abstract

The stratigraphically important ostracod genera Plumhoffia Brand, 1990 (family Cytheruridae) and Aaleniella Plumhoff, 1963 (family Eucytheridae) from the Upper Bajocian and Lower Bathonian of the Volga Region (Sokur Section, Saratov Region) and central Russia (Obval Borehole, Penza Region) are revised, and updated and expanded descriptions are provided. Four species are described. A neotype is designated for Plumhoffia tricostata (Khabarova, 1955); three others: Aaleniella franzi, A. volganica, and A.? ovoidea are described as new. Their distribution along the Sokur reference section of the Upper Bajocian (Michalskii ammonite Zone)–Lower Bathonian (Besnosovi ammonite Zone) of the Volga Region allows development of detailed ostracod-based biostratigraphy and correlation of the sections studied with synchronous deposits of Western Europe.

更新日期：2022-04-24

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