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New Data on Late Cretaceous Sauropods from the Bostobe Formation of the Northeastern Aral Sea Region (Kazakhstan)

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Abstract

The curved pencil-like sauropod teeth from the Bostobe Formation (Upper Cretaceous, Santonian–Campanian) of the Shakh-Shakh locality in Kazakhstan are referred to a representative of the Laurasian clade Opisthocoelicaudiidae known from the Upper Cretaceous (Campanian–Maastrichtian) of Mongolia. The teeth are slightly expanded near the apex and have in this part D-shaped cross-section. The enamel sculpturing consists of short longitudinal ridges or enamel is smooth in some parts of the crown. A similar dental morphotype is found in a titanosaur from the Bissekty Formation (Turonian) of Uzbekistan, which also may belong to the Opisthocoelicaudiidae.

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Funding

This work was supported by the Russian Science Foundation, project no. 19-14-00020. The research by A.O. Averianov was conducted within the framework of a State Assignment of the Zoological Institute, Russian Academy of Sciences, project no. 1021051302397-6.

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Authors and Affiliations

  1. Zoological Institute, Russian Academy of Sciences, 199034, St. Petersburg, Russia

    A. O. Averianov

  2. Borissiak Paleontological Institute, Russian Academy of Sciences, 117647, Moscow, Russia

    A. V. Lopatin

Authors
  1. A. O. Averianov
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  2. A. V. Lopatin
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Correspondence to A. O. Averianov.

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The authors declare that they have no conflicts of interest.

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Translated by D. Voroshchuk

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Averianov, A.O., Lopatin, A.V. New Data on Late Cretaceous Sauropods from the Bostobe Formation of the Northeastern Aral Sea Region (Kazakhstan). Dokl. Earth Sc. 503, 97–99 (2022). https://doi.org/10.1134/S1028334X22030047

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  • DOI: https://doi.org/10.1134/S1028334X22030047

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