下渐新世Asmari组大型底栖有孔虫和生物地层学:伊朗南部近海和陆上(Zagros带)

IF 1.3 4区地球科学 Q3 PALEONTOLOGY

Micropaleontology Pub Date : 2023-01-01 DOI:10.47894/mpal.69.4.07

M. Yazdi-Moghadam, M. Sarfi, Mohammad Sharifi, Z. Jahani

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引用次数: 1

摘要

根据从伊朗南部海上和陆上两个地下剖面回收的样本，描述了来自Asmari组的相对多样化的大型底栖有孔虫组合。扎格罗斯带位于地中海和印度太平洋之间的特提斯海道，是中东地区的一部分，在古生物地理学上具有重要意义。动物群以透明穿孔和瓷状两种形态为主。描述了8种大型底栖有孔虫，包括Nummulites fichteli, N. vascus, Operculina complanata, archaeas operculiniformis, Praerhapydionina delicata, Austrotrillina striata, Peneroplis thomasi和P. evolutus。菲氏奈氏菌和vascus奈氏菌的存在，而未发现鳞环虫，表明sbz21带的时间跨度较短，仅局限于鲁比利世早期。

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Larger benthic foraminifera and biostratigraphy of the lower Oligocene Asmari Formation: offshore and onshore southern Iran (Zagros belt)

A relatively diverse assemblage of larger benthic foraminifera from the Asmari Formation is described based on the recovered samples from two subsurface sections, offshore and onshore, southern Iran. Due to its position in the Tethyan Seaway between the Mediterranean and Indo-Pacific, the Zagros belt as a part of theMiddle East has high significance in palaeobiogeography. The fauna is dominated by both hyaline perforated and porcelaneous forms. Eight species of larger benthic foraminifera are described, including Nummulites fichteli, N. vascus, Operculina complanata, Archaias operculiniformis, Praerhapydionina delicata, Austrotrillina striata, Peneroplis thomasi, and P. evolutus. The presence of N. fichteli and N. vascus in the absence of lepidocyclinids indicates the SBZ 21 Zone referring to a short time span restricted to early Rupelian.

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来源期刊

Micropaleontology 地学-古生物学

CiteScore

3.20

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Micropalaeontology (JM) is an established international journal covering all aspects of microfossils and their application to both applied studies and basic research. In particular we welcome submissions relating to microfossils and their application to palaeoceanography, palaeoclimatology, palaeobiology, evolution, taxonomy, environmental change and molecular phylogeny. Owned by The Micropalaeontological Society, the scope of the journal is broad, demonstrating the application of microfossils to solving broad geoscience issues.