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New Conodont Species from the Famennian (Upper Devonian) of the Urals

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Abstract

New conodont species of the genus Polygnathus from the Upper Famennian of the Urals and Cis-Urals are described. Po. tsygankoi sp. nov. is distributed from the expansa‑praesulcata conodont zones. This species occupies an intermediate position in the phylogenetic lineage Polygnathus atasuensis–Po. tsygankoi sp. nov.–Po. lobatus sensu Kononova. Po. serriformis sp. nov. is known from the praesulcata Zone. Evolutionary relationships of Po. serriformis sp. nov. are unknown.

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ACKNOWLEDGEMENTS

We are grateful to A.S. Alekseev, A.V. Zhuravlev, and L.I. Kononova for valuable advice and comments that helped to improve the article, and to S.S. Shevchuk and A.S. Shuiskiy for the high-quality conodont photographs taken by the scanning electron microscope.

Funding

The study was supported in part by the Russian Foundation for Basic Research according to the project no. 18-35-00330.

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Authors and Affiliations

  1. Institute of Geology Komi, Scientific Center, Ural Branch, Russian Academy of Science, 167982, Syktyvkar, Russia

    A. N. Plotitsyn

  2. Moscow State University, 119991, Moscow, Russia

    Yu. A. Gatovsky

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  1. A. N. Plotitsyn
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  2. Yu. A. Gatovsky
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Correspondence to A. N. Plotitsyn or Yu. A. Gatovsky.

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Translated by T. Foraponova

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Plotitsyn, A.N., Gatovsky, Y.A. New Conodont Species from the Famennian (Upper Devonian) of the Urals. Paleontol. J. 53, 629–635 (2019). https://doi.org/10.1134/S0031030119060108

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  • DOI: https://doi.org/10.1134/S0031030119060108

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