基于巴西Palynomorpe组合的泥盆纪Acritach属Pyloferites Quadros 1999的修订

IF 1.4 4区地球科学 Q3 PALEONTOLOGY

Palynology Pub Date : 2022-03-06 DOI:10.1080/01916122.2022.2050322

V. J. García Muro, C. V. Rubinstein

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引用次数: 1

摘要

摘要1999年，在巴西Alto Garças次盆地Paraná盆地的Jaciara剖面，从泥盆纪地层中发现了大量的Pyloferites Quadros属。根据文献综述和对新材料的检查，包括形态计量分析，Pyloferites显示出广泛的形态变异性，因此，本文对其进行了修正。此外，还建立了一个物种修正和一个新种：Pyloferites escobaides（Cramer 1964）Daners等人2017年修正。nov.和Pyloferites paranaensis sp.nov.escobaides的地层分布从中晚期Pragian延伸到Famennian，而P.paranaeinsis仅限于Paraná盆地的Pragian至早Emsian，或可能是中Emsian。Pyloferites在巴西、玻利维亚、乌拉圭和西班牙的存在支持了冈瓦纳大陆和Perigondwanan大陆的古生物地理分布。

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Revision of the Devonian Acritarch Genus Pyloferites Quadros 1999 Based on Palynomorph Assemblages from Brazil

ABSTRACT A large population of the acritarch genus Pyloferites Quadros 1999 was recovered from the Devonian strata of the Paraná Basin, Alto Garças Sub-basin (Brazil), at the Jaciara section. Based on a literature review and the examination of new material, including morphometric analyses, Pyloferites shows wide morphological variability, and, therefore, is herein emended. Additionally, a species emendation and a new species are instituted: Pyloferites escobaides (Cramer 1964) Daners et al. 2017 emend. nov., and Pyloferites paranaensis sp. nov. The stratigraphical distribution of P. escobaides is extended from the middle–late Pragian to the Famennian, while P. paranaeinsis is restricted to the Pragian to early Emsian, or possibly middle Emsian, of the Paraná Basin. The presence of Pyloferites in Brazil, Bolivia, Uruguay, and Spain supports a Gondwanan and Perigondwanan palaeobiogeographical distribution.

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来源期刊

Palynology 地学-古生物学

CiteScore

3.40

自引率

26.70%

发文量

审稿时长

>12 weeks

期刊介绍： Palynology is an international journal, and covers all aspects of the science. We accept papers on both pre-Quaternary and Quaternary palynology and palaeobotany. Contributions on novel uses of palynology, review articles, book reviews, taxonomic studies and papers on methodology are all actively encouraged.