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Carboniferous bryozoans from the Kalmard area, central Iran

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Abstract

Four bryozoan species are described from the Siliciclastic Imagh Formation of the Carboniferous (Pennsylvanian) succession at the Imagh section, Posht-e-Badam Block, Kalmard area in central Iran. Three species are new: two trepostomes Dyscritella multiporata sp. nov., Dyscritella kalmardensis sp. nov., and a rhabdomesine cryptostome Rhombopora aryani sp. nov. The species Nikiforovella ambigua Xia and Liu (Rhabdomesina, Cryptostomata) was previously recorded from the Pennsylvanian of China. The generic composition is cosmopolitan for the Carboniferous. The studied bryozoan assemblage indicates middle-to-deep shelf environment.

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Acknowledgements

The authors express their deep gratitude to Mr. Hamid Reza Khammar, the PhD student of Islamic Azad University, Zahedan Barnch, who helped during field work in the Kalmard area. AE thanks Deutsche Forschungsgemeinschaft (DFG) for financial support (project ER 278/6.1). Patrick Wyse Jackson, Dublin, and Hans Arne Nakrem, Oslo, are thanked for their helpful and constructive reviews.

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  1. Institut für Geologie, Universität Hamburg, Bundesstr. 55, 20146, Hamburg, Germany

    Andrej Ernst

  2. Geology Department, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran

    Mohammad N. Gorgij

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  1. Andrej Ernst
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  2. Mohammad N. Gorgij
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Correspondence to Andrej Ernst.

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Ernst, A., Gorgij, M.N. Carboniferous bryozoans from the Kalmard area, central Iran. PalZ 94, 533–543 (2020). https://doi.org/10.1007/s12542-019-00502-w

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