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Acanthomorphic Acritarchs from the Vendian Deposits of Interior Areas of the Siberian Platform

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Abstract

The taxonomic composition of acanthomorphic acritarchs from the Vendian terrigenous deposits of the Prepatom, Nepa–Botuoba, Syugdzhera, and Anabar structural-facies districts of the Siberian Platform was studied. We found acanthomorphic microfossils at three stratigraphic levels: in the lower and upper parts of the Nepa Regional Stage and in the lower subformation of the Byuk Formation of the Tira Regional Stage. Monographic description of new acritarchs Tanarium longidigitatum sp. nov., Tuberculum proteum sp. nov., Uniexcrescentia tubulosa gen. et sp. nov., and Pterospermopsimorpha mutabilis sp. nov. was carried out.

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ACKNOWLEDGMENTS

The author expresses her sincere gratitude to B.B. Kochnev for providing core samples from the boreholes of the Prepatom and Syugdzhera districts. The study was performed using the equipment of the Core Facility for Analytical Studies of the Early Earth History (CF ASEEH) of the Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences, St. Petersburg.

Funding

The study was performed under the R&D program of the Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences (project no. FMUW-2021-0003).

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Correspondence to E. Yu. Golubkova.

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Translated by M. Batrukova

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Golubkova, E.Y. Acanthomorphic Acritarchs from the Vendian Deposits of Interior Areas of the Siberian Platform. Paleontol. J. 57, 92–101 (2023). https://doi.org/10.1134/S0031030123010057

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