First mammal fossil locality from the late Miocene of Zagros, western Iran

Document Type: Research Paper

Authors

1 Department of Geology, Science and Research branch, Islamic Azad University,Tehran, Iran

2 Department of Geology, Faculty of science, University of Zanjan, Zanjan , Iran

3 Department of Geology, Science and Research branch, Islamic Azad University, Tehran , Iran

4 Research Institute for Earth Sciences, Geological Survey of Iran

5 Laboratory of Geology and Palaeontology, School of Geology, Aristotle University of Thessaloniki

Abstract

A new and the first mammal fossil locality from the Zagros Basin of Iran is reported here. The fossil locality, known as Dimeh, is located in the Lorestan province, west of Iran. The fauna includes abundant bovid cranial remains, mostly representing boselaphines and palaeoryxoids, as well as gazelles and spiral horned antelopes. Hipparionine horses similar to Hippotherium group are also represented by many individuals and specimens. In addition, large giraffids are among the common elements. Rhinocerotidae, Proboscidea and hyaenids are also present. Based on the current assessment of this fauna, it is most similar to the Middle Maragheh biostratigraphic levels in northwest Iran. Hence, an age of 8-7 Ma (MN 11-12 equivalent) can be assigned for this assemblage. This new fauna is comparable to the Pikermian-type mammal palaeocommunities of the late Miocene and may indicate an extension of these faunas toward Zagros high lands in pursuit of seasonal precipitation and vegetation.

Keywords


Article Title [Persian]

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Authors [Persian]

  • مجید میرزایی عطاآبادی 2
  • علی سلگی 3
  • محمود رضا مجیدی فرد 4
  • دیمیتریس کوستوپوئولوس 5
2 گروه زمین شناسی، دانشکده علوم، دانشگاه زنجان، زنجان، ایران
3 دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران
4 میدان آزادی بلوار معراج صندوق پستی 13185-1494
5 دانشگاه ارسطو تسالونیکی یونان
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