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The First Record of Pachydiscus (Pachydiscus) launayi (De Grossouvre) (Pachydiscidae, Ammonoidea) in the Lower Campanian Deposits (Upper Cretaceous) of Southwestern Crimea

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Abstract

In the Lower Campanian, Pachydiscus (Pachydiscus) launayi (De Grossouvre) was found for the first time above a soap (bentonite) clay layer, which has been described well in the literature, in an abandoned quarry on the outskirts of Kudrino village in Southwestern Crimea. This finding expands our understanding of the distribution of this species and precises the biostratigraphic position of the soap clay layer.

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ACKNOWLEDGMENTS

I am grateful to J. Jagt (Natuurhistorisch Museum, Maastricht) for help in selecting the literature and V.V. Arkadiev (SPbSU) for constructive comments on the article.

Funding

This work was supported by the Russian Science Foundation (project no. 22-1700091), https://rscf.ru/project/22-17-00091/.

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  1. Moscow State University, 119991, Moscow, Russia

    E. Yu. Baraboshkin

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  1. E. Yu. Baraboshkin
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Correspondence to E. Yu. Baraboshkin.

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Conflict of interests. The author declares that he has no conflicts of interest.

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Translated by D. Voroshchuk

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Baraboshkin, E.Y. The First Record of Pachydiscus (Pachydiscus) launayi (De Grossouvre) (Pachydiscidae, Ammonoidea) in the Lower Campanian Deposits (Upper Cretaceous) of Southwestern Crimea. Moscow Univ. Geol. Bull. 78, 210–213 (2023). https://doi.org/10.3103/S0145875223020035

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