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)

The earliest oyster-like bivalves of the genus Prospondylus Zimmermann are discovered in the Lower Permian (Upper Asselian–Sakmarian) of the South Cis-Urals. Previous confirmed findings were only known from the Lower-Middle Permian deposits of North America (Kungurian–Wordian) and the Upper Permian...

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Bibliographic Details
Published in:Paleontological journal 2023-06, Vol.57 (3), p.278-287
Main Authors: Biakov, A. S., Mazaev, A. V.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Marine molluscs
Mollusks
New species
Oysters
Paleontology
Permian
Prospondylidae
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Summary:The earliest oyster-like bivalves of the genus Prospondylus Zimmermann are discovered in the Lower Permian (Upper Asselian–Sakmarian) of the South Cis-Urals. Previous confirmed findings were only known from the Lower-Middle Permian deposits of North America (Kungurian–Wordian) and the Upper Permian of Germany (Wuchiapingian). A new species Prospondylus shakhtauensis Biakov, sp. nov. is described.
ISSN:0031-0301
1555-6174
DOI:10.1134/S0031030123030048