Taxonomic revision of Paracoskinolina fleuryi Decrouez and Moullade, 1974, ‘primitive’ orbitolinid foraminifera from the early Cenomanian of Greece and its stratigraphic and palaeogeographic records

IF 0.7 Q4 PALEONTOLOGY REVUE DE MICROPALEONTOLOGIE Pub Date : 2023-04-01 DOI:10.1016/j.revmic.2023.100712

Felix Schlagintweit

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Abstract

A small-sized orbitolinid was originally reported as Coskinolinoides cf. texanus Keijzer from Cenomanian carbonates of western Greece in the early seventies, later described as the new species Paracoskinolina fleuryi Decrouez and Moullade. However, its internal test structure does not fit the characteristics of the genus Paracoskinolina Moullade emend. Arnaud-Vanneau. The original generic assignment is re-instated herein, but its more complex marginal zone does not allow for assignment to Coskinolinoides texanus described from the middle–upper Albian of Texas. Coskinolinoides fleuryi (Decrouez and Moullade) comb. nov., becoming the second nominal species of the genus, shows an unusual broad and dispersed distribution (Senegal, Tunisia, Spain, Greece, Philippines) with stratigraphic records encompassing the latest Aptian?–Albian to early Cenomanian interval. Despite the present contribution, the genus Paracoskinolina still contains additional species that need taxonomic revision.

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Paracoskinolina fleuryi Decrouez和Moullade的分类修订，1974，希腊塞诺曼早期的“原始”orbitolinid有孔虫及其地层和古地理记录

70年代初，一种来自希腊西部Cenomanian碳酸盐岩的小型orbitolinid最初被报道为Coskinolinoides cf.texanus Keijzer，后来被描述为新种Paracoskinolina fleuryi Decrouez和Moullade。然而，其内部测试结构不符合所校正的Paracoskinolina Moullade属的特征。Arnaud Vanneau。本文恢复了原始的一般分配，但其更复杂的边缘区不允许分配给德克萨斯州中上阿尔比安地区描述的纹叶Coskinolinoides texans。花叶Coskinolinoides fleuryi（Decrouez和Moullade）梳。nov.，成为该属的第二个名义物种，显示出不同寻常的广泛和分散分布（塞内加尔、突尼斯、西班牙、希腊、菲律宾），地层记录包括最新的阿普第阶阿尔比阶至塞诺曼阶早期间歇期。尽管有目前的贡献，Paracoskinolina属仍包含其他需要分类学修订的物种。

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REVUE DE MICROPALEONTOLOGIE PALEONTOLOGY-

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2.50

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0.00%

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期刊介绍： La Revue de micropaléontologie publie 4 fois par an des articles de intérêt international, consacrés à tous les aspects de la micropaléontologie. Les textes, en anglais ou en français, sont des articles originaux, des résultats de recherche, des synthèses et mises au point, des comptes rendus de réunions scientifiques et des analyses de ouvrages. La revue se veut résolument ouverte à tous les aspects de la micropaléontologie en accueillant des travaux traitant de la systématique des microfossiles (et de leurs équivalents actuels), des bactéries aux microrestes de vertébrés, et de toutes leurs applications en sciences biologiques et géologiques.