The First Finds of the Most Ancient Oyster-Like Bivalves of the Genus  Prospondylus  Zimmermann (Pectinidae, Prospondylidae) in the Lower Permian of the Southern Cis-Urals (Russia)

A. S. Biakov; Бяков А. С.; A. V. Mazaev; Мазаев А. В.

doi:10.31857/S0031031X23030054

The First Finds of the Most Ancient Oyster-Like Bivalves of the Genus Prospondylus Zimmermann (Pectinidae, Prospondylidae) in the Lower Permian of the Southern Cis-Urals (Russia)

Authors: Biakov A.S.¹, Mazaev A.V.²
Affiliations:
1. North-East Interdisciplinary Scientific Research Institute n.a. N.A. Shilo, Far East Branch of the Russian Academy of Sciences
2. Borissiak Paleontological Institute, Russian Academy of Sciences
Issue: No 3 (2023)
Pages: 42-51
Section: Articles
URL: https://ruspoj.com/0031-031X/article/view/673514
DOI: https://doi.org/10.31857/S0031031X23030054
EDN: https://elibrary.ru/QBJRJD
ID: 673514

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Abstract

For the first time in the Lower Permian deposits (Upper Asselian–Sakmarian stages) of the Southern Cis-Urals, the most ancient representatives of oyster-like bivalves of the genus Prospondylus Zimmermann were found, reliable findings of which were previously known only in the Lower-Middle Permian deposits of North America and the Upper Permian deposits of Germany. A description of the new species Prospondylus shakhtauensis Biakov, sp. nov. is given.

Keywords

ancient oyster-like bivalve mollusks, genus Prospondylus, Lower Permian, Bashkirian Cis-Urals, Russia

About the authors

A. S. Biakov

North-East Interdisciplinary Scientific Research Institute n.a. N.A. Shilo, Far East Branch of the Russian Academy of Sciences

Author for correspondence.
Email: abiakov@mail.ru
Russia, 685000, Magadan

A. V. Mazaev

Borissiak Paleontological Institute, Russian Academy of Sciences

Author for correspondence.
Email: mazaev.av@mail.ru
Russia, 117647, Moscow

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