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New Givetian Conodonts of the Genus Icriodus from the Kolyvan-Tom Folded Area (South of West Siberia)

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Abstract

The new species Icriodus alchedatensis sp. nov., I. kuzbassiensis sp. nov., I. lebedyankensis sp. nov. and Latericriodus sp. E are described from stratotype sections of the Mazalovy Kitatian Regional Substage (Middle Givetian) from the Kolyvan-Tom folded area. The taxa of the genus Icriodus belong to two lineages within the genus Icriodus the I. struvei lineage and the I. regularicrescens lineage according to the Weddige’s (1977) concept.

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ACKNOWLEDGMENTS

The author expresses his deep gratitude to P. Bultynck and K. Narkiewicz for consultations when examining the conodont collection, as well as to reviewers Ya.M. Gutak and V.M. Nazarova for constructive comments and suggestions that allowed us to improve the article.

Funding

Research work was carried out within the framework of the RSF project 22-27-00703. The author coordinates his research with the programs of work under the UNESCO 652 IGCP project.

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  1. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of RAS, 630090, Novosibirsk, Russia

    N. G. Izokh

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  1. N. G. Izokh
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Correspondence to N. G. Izokh.

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Translated by S. Nikolaeva

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Izokh, N.G. New Givetian Conodonts of the Genus Icriodus from the Kolyvan-Tom Folded Area (South of West Siberia). Paleontol. J. 57, 553–559 (2023). https://doi.org/10.1134/S0031030123050027

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  • DOI: https://doi.org/10.1134/S0031030123050027

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