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Late Permian and Early Triassic conchostracans from the Babii Kamen section (Kuznetsk coal basin)

V.I. Davydov^a, V.V. Zharinova ^b, V.V. Silantiev^b

^aBoise State University, Boise, 1910 USA

^bKazan Federal University, Kazan, 420008 Russia

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DOI: 10.26907/2542-064X.2019.2.339-347

For citation: Davydov V.I., Zharinova V.V., Silantiev V.V. Late Permian and Early Triassic conchostracans from the Babii Kamen section (Kuznetsk coal basin). Uchenye Zapiski Kazanskogo Universiteta. Seriya Estestvennye Nauki, 2019, vol. 161, no. 2, pp. 339–347. doi: 10.26907/2542-064X.2019.2.339-347.

Для цитирования: Davydov V.I., Zharinova V.V., Silantiev V.V. Late Permian and Early Triassic conchostracans from the Babii Kamen section (Kuznetsk coal basin) // Учен. зап. Казан. ун-та. Сер. Естеств. науки. – 2019. – Т. 161, кн. 2. – С. 339–347. – doi: 10.26907/2542-064X.2019.2.339-347.

Abstract

The Late Permian and Early Triassic conchostracans from the Babii Kamen section (Western Siberia) were studied. The conchostracans were collected from the section during the field work in 2015–2018. It was found that the conchostracans from the Babii Kamen section are characterized by a rather high taxonomical diversity: we identified five Late Permian conchostracan species (Pseudestheria novacastrensis (Mitchell, 1927), Cornia papillaria (Lutkevich, 1937), Megasitum harmonicum Novojilov, 1970, Megasitum lopokolense Novojilov, 1970, and Echinolimnadia mattoxi Novojilov, 1965) and two Early Triassic species (Concherisma tomensis Novojilov, 1958, Cyclotunguzites gutta (Lutkevich, 1938). The discovered conchostracan species occur frequently in the Permian and Triassic sections of other regions and are useful for regional biostratigraphy and interregional correlation.

Keywords: Conchostraca, Late Permian, Early Triassic, biostratigraphy

Acknowledgments. We thank E.A. Zhegallo, A.S. Bashkuev, D.S. Kopylov, A.V. Khramov, A.S. Felker, and O.D. Strelnikova from Paleontological Institute of the Russian Academy of Sciences for their assistance during the sampling procedures.

This study was supported by the Russian Science Foundation (project no. 19-17-00178).

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