伊比利亚半岛寒武纪(2 -苗岭系)Marocella(软体动物，Helcionelloida)新资料

IF 1.2 4区地球科学 Q2 GEOLOGY

Gff Pub Date : 2020-07-02 DOI:10.1080/11035897.2020.1762722

L. Collantes, E. Mayoral, J. Chirivella, R. Gozalo

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引用次数: 4

摘要

摘要本工作概述了伊比利亚半岛Marocella属的现有知识，描述了西南奥萨-莫雷纳带和伊比利亚链下寒武纪和中寒武纪（寒武纪2系和苗岭阶）的新标本。Ossa Morena带下寒武纪的标本被描述为M.morenensis。此外，我们在伊比利亚链中发现了标本，这些标本早些时候在坎塔布里亚山脉被描述为Marocella cf.morenensis。这些标本发现于寒武纪最晚第4期或武源最早的地层中。最年轻的标本来自伊比利亚链的上莱昂阶至中凯撒罗古斯阶区域阶段（武流阶至德拉姆阶早期），是新发现的材料，被归类为M.aff。morenensis。根据羊毛菌的新材料，将米拉羊毛菌和羊毛菌视为不同的物种，并对马罗塞拉的生物地层学和古生物地理学分布进行了综述。

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New data on Marocella (Mollusca, Helcionelloida) from the Cambrian (Series 2–Miaolingian) of the Iberian Peninsula

ABSTRACT The present work is an overview of the current knowledge about the genus Marocella on the Iberian Peninsula, describing new specimens from the lower and middle Cambrian (Cambrian Series 2 and Miaolingian) of the southwestern Ossa-Morena Zone and Iberian Chains. Specimens from the lower Cambrian of the Ossa-Morena Zone are described as M. morenensis. Also, we found specimens in the Iberian Chains, which have been described earlier from the Cantabrian Mountains and dealt with as Marocella cf. morenensis. These specimens were found in strata of the latest Stage 4 of Cambrian or earliest Wuliuan. The youngest specimens from the upper Leonian to middle Caesaraugustian regional Stage (Wuliuan to early Drumian) of Iberian Chains are newly discovered material and classified as M. aff. morenensis. On the basis of new material of M. morenensis, M. mira and M. morenensis are regarded as different species herein, and the biostratigraphic and palaeobiogeographic distribution of Marocella is reviewed.

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来源期刊

Gff 地学-地质学

CiteScore

2.80

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： GFF is the journal of the Geological Society of Sweden. It is an international scientific journal that publishes papers in English covering the whole field of geology and palaeontology, i.e. petrology, mineralogy, stratigraphy, systematic palaeontology, palaeogeography, historical geology and Quaternary geology. Systematic descriptions of fossils, minerals and rocks are an important part of GFF''s publishing record. Papers on regional or local geology should deal with Balto-Scandian or Northern European geology, or with geologically related areas. Papers on geophysics, geochemistry, biogeochemistry, climatology and hydrology should have a geological context. Descriptions of new methods (analytical, instrumental or numerical), should be relevant to the broad scope of the journal. Review articles are welcome, and may be solicited occasionally. Thematic issues are also possible.