Diversity of Middle Jurassic Turtles from the Berezovsk Quarry Locality, Krasnoyarsk Region, Russia: Morphology and Histological Study

I. G. Danilov, E. M. Obraztsova, E. A. Boitsova, P. P. Skutschas

Research outputpeer-review

2 Citations (Scopus)

Abstract

Morphology and histology of several fragmentary turtle specimens from the Middle Jurassic locality in the Berezovsk quarry (Krasnoyarsk Region, Russia) are described, including Testudines indet. 1 (costal VIII), Testudines indet. 2 (two ornamented shell fragments), and Testudines indet. 3 (distal part of a humerus), and also skeletal elements of Annemys sp. (Xinjiangchelyidae) represented by mass material in the same locality. It is shown that Testudines indet. 1 and 3 probably belong to one or two taxa of basal aquatic turtles, while Testudines indet. 2 is most likely an abnormal Annemys sp. The presumable presence of basal turtles in the Berezovsk Quarry Assemblage agrees with the fact that they are present in other Middle Jurassic turtle assemblages of Asia.

Original languageEnglish
Pages (from-to)188-200
Number of pages13
JournalPaleontological Journal
Volume52
Issue number2
DOIs
Publication statusPublished - 1 Mar 2018

Scopus subject areas

  • Paleontology

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