EDIACARA-TYPE BIOTA IN THE UPPER PRECAMBRIAN OF TIMAN RANGE (DZHEZHIM-PARMA HILL, THE KOMI REPUBLIC)

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Abstract

The macroscopic fossils, an Ediacara-type composite moulds and casts, were found in the Dzhezhim Formation of the Timan Range for the first time. Among them, the representatives of palaeopascichnids, frondomorphs, chuariomorph colonies, arumberiamorph structures as well as trace fossils were diagnosed. Finding of a large number of various Ediacaran fossils on Timan Range both develops the understanding of their palaeogeographic range, and also clarifies the age limits of the deposition of the Dzhezhim Formation, whose stratigraphic position in the Upper Precambrian section was controversial.

About the authors

A. V. Kolesnikov

Geological Institute of the Russian Academy of Sciences

Author for correspondence.
Email: kolesnikov@ginras.ru
Russian, Moscow

I. V. Latysheva

Geological Institute of the Russian Academy of Sciences

Email: kolesnikov@ginras.ru
Russian, Moscow

A. V. Shatsillo

Geological Institute of the Russian Academy of Sciences; Schmidt Institute of Physics of the Russian Academy of Sciences

Email: kolesnikov@ginras.ru
Russian, Moscow; Russian, Moscow

N. B. Kuznetsov

Geological Institute of the Russian Academy of Sciences

Email: kolesnikov@ginras.ru
Russian, Moscow

A. S. Kolesnikov

Geological Institute of the Russian Academy of Sciences

Email: kolesnikov@ginras.ru
Russian, Moscow

V. D. Desiatkin

Geological Institute of the Russian Academy of Sciences

Email: kolesnikov@ginras.ru
Russian, Moscow

T. V. Romanyuk

Schmidt Institute of Physics of the Russian Academy of Sciences

Email: kolesnikov@ginras.ru
Russian, Moscow

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Copyright (c) 2023 А.В. Колесников, И.В. Латышева, А.В. Шацилло, Н.Б. Кузнецов, А.С. Колесников, В.Д. Десяткин, Т.В. Романюк