Decapod crustaceans from the lower Miocene Qom Formation of the Isfahan area, Central Iran

IF 0.5 4区地球科学 Q4 GEOLOGY

Boletin De La Sociedad Geologica Mexicana Pub Date : 2021-12-01 DOI:10.18268/bsgm2021v73n3a140521

M. Hyžný, A. Bahrami, M. Yazdi, H. Torabi

引用次数: 3

Abstract

From the lower Miocene (Burdigalian) of the Qom Formation, exposed in three sections (Kuh-e-Donbeh, Bagher-Abad, and Vartun) in Central Iran, a deca-pod crustacean assemblage is described. The specimens exhibit two modes of preservation: carapaces (either isolated or with attached appendages) and isolated cheliped elements. All studied specimens are fractured and/or eroded. Based on this moderately preserved material, three brachyuran crab taxa are identified, including Mursia cf. lienharti (Bachmayer, 1962), Palaeocarpilius rugifer Stoliczka, 1871, and Necronectes sp. The occurrence of P. rugifer represents the youngest confirmed occurrence of the species, whereas other two taxa represent the first confirmed Iranian occurrences of respec-tive genera. This report enriches our knowledge on Miocene decapod assemblages of Iran, and thus helping to better understand the decapod migratory patterns along the Tethyan Sea-way.

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伊朗中部伊斯法罕地区下中新世库姆组的十足目甲壳类动物

从伊朗中部库姆组下中新世（Burdigalian）的三个部分（Kuh-e-Donbeh、Bagher Abad和Vartun）暴露出来，描述了一个十足甲壳类动物组合。这些标本表现出两种保存模式：甲壳（单独或附肢）和单独的螯足元素。所有研究的试样均断裂和/或侵蚀。基于这种保存适度的材料，确定了三个短吻蟹分类群，包括Mursia cf.lienharti（Bachmayer，1962）、Paleocarpiius rugifer Stoliczka，1871和Necronectes sp.。P.rugifer的出现代表了该物种最年轻的已确认出现，而其他两个分类群代表了伊朗首次确认出现的呼吸属。本报告丰富了我们对伊朗中新世十足目动物组合的了解，从而有助于更好地了解特提斯海沿岸的十足目动物迁徙模式。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Boletin De La Sociedad Geologica Mexicana GEOLOGY-

CiteScore

1.40

自引率

12.50%

发文量

审稿时长

50 weeks

期刊介绍： The Boletín de la Sociedad Geológica Mexicana is a completely free-access electronic journal published semi-annually that publishes papers and technical notes with its main objective to contribute to an understanding of the geology of Mexico, of its neighbor areas, and of geologically similar areas anywhere on Earth’s crust. Geology has no boundaries so we may publish papers on any area of knowledge that is interesting to our readers. We also favor the publication of papers on relatively unfamiliar subjects and objectives in mainstream journals, e.g., papers devoted to new methodologies or their improvement, and areas of knowledge that in the past had relatively little attention paid them in Mexican journals, such as urban geology, water management, environmental geology, and ore deposits, among others. Mexico is a land of volcanos, earthquakes, vast resources in minerals and petroleum, and a shortage of water. Consequently, these topics should certainly be of major interest to our readers, our Society, and society in general. Furthermore, the Boletín has been published since 1904; that makes it one of the oldest scientific journals currently active in Mexico and, most notably, its entire contents, from the first issue on, are available online.