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The Importance of Foraminifera of the Family Cassidulinidae for the Late Quaternary Paleoenvironmental Reconstructions Based on Sediment Cores from the Laptev Sea

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Abstract

Three most common Arctic foraminiferal species of the family Cassidulinidae from the Laptev Sea sediment cores were analyzed for paleoenvironmental reconstructions. This paleontological study is focused on morphological characteristics of apertural elements and the wall structure. The species Cassidulina neoteretis is considered an indicator of the Atlantic influence in contrast to the Arctic species Cassidulina reniforme and Islandiella norcrossi.

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ACKNOWLEDGMENTS

Authors acknowledge H.A. Bauch and R.F. Spielhagen for passing the material for study. We thank colleagues from the Center of Instrumental Analytics of the Borissiak Paleontological Institute of the Russian Academy of Sciences (PIN), Otto Schmidt Laboratory of the Arctic and Antarctic Research Institute (AANII) for the help with photography of specimens.

Funding

The study has been carried out under financial support of the Ministry of Science and Higher Education of the Russian Federation, project no. RFMEFI61617X0076 “Changing Arctic Transpolar System.”

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Authors and Affiliations

  1. Geological Institute, Russian Academy of Sciences, 119017, Moscow, Russia

    Ya. S. Ovsepyan

  2. Arctic and Antarctic Research Institute, 199397, St. Petersburg, Russia

    Ya. S. Ovsepyan, N. O. Averkina & E. E. Taldenkova

  3. Lomonosov Moscow State University, 119991, Moscow, Russia

    N. O. Averkina & E. E. Taldenkova

Authors
  1. Ya. S. Ovsepyan
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  2. N. O. Averkina
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  3. E. E. Taldenkova
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Correspondence to Ya. S. Ovsepyan, N. O. Averkina or E. E. Taldenkova.

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Translated by E. Shvetsov

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Ovsepyan, Y.S., Averkina, N.O. & Taldenkova, E.E. The Importance of Foraminifera of the Family Cassidulinidae for the Late Quaternary Paleoenvironmental Reconstructions Based on Sediment Cores from the Laptev Sea. Paleontol. J. 53, 894–898 (2019). https://doi.org/10.1134/S0031030119090119

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  • DOI: https://doi.org/10.1134/S0031030119090119

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