Systematic notes on Burdigalian Echinoids from the Qom Formation in the Bagher Abad area, Central Iran

نویسندگان

  • Alireza Ashouri Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Iran
  • Maryam Nouradini Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Iran
  • Mehdi Yazdi Department of Geology, Faculty of Science of Isfahan, Iran
چکیده مقاله:

Echinoids fauna are common and distributed in the Lower Miocene deposits of the Bagher Abad area, northeast Isfahan, Central Iran.There are six Echinoid taxa belonging to the Echinoidea Class that can be described as: Clypeaster intermedius, Prinocidaris sp. andspines related to: Eucidaris zaemays, Stylocidaris Polyacantha, Spatangoid sp. and Prinocidaris sp. Bivalves, Foraminifers,Bryozoans, Brachiopods, scatter fragment of Crabs and Corals can obviously be seen in this section. The presence of Echinoids andBivalves fauna indicated that, the shallow and warm water environment was dominated by them in Central Iran at the Lower Miocene(Burdigalian). From a palaeobiogeographic point of view, the fauna from the Qom Formation were similar to the West and Centralparts of the Paratethys and confirmed that, the Bagher Abad area was located in the marginal seaways, which connected the West,Central Paratethys and Indo-pacific Ocean at that time (Lower Miocene).

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عنوان ژورنال

دوره 4  شماره 2

صفحات  155- 167

تاریخ انتشار 2014-10-01

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