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Stratigraphy and Palaeontology
Lithostratigraphy and Biostratigraphy of the ammonites from the Upper Chaman Bid Formation (Tithonian) at the type locality (NE Iran, Koppeh Dagh)

Tayaebe Sarbandi Farahani; Mehdi Yazdi; Mahmoud Reza Majidifard

Volume 30, Issue 118 , January 2021, , Pages 95-108

https://doi.org/10.22071/gsj.2020.215822.1742

Abstract
  The present study deals with the ammonites from the upper part of the Chaman Bid Formation, member 4 (Middle-Upper Jurassic) at the type locality. Lithostratigraphicall, it is consites alternation of limestone and marls.Following ammonite families are present: Perispinctidae, Ataxioceratidae, Haploceratidae, ...  Read More