波西米亚奥陶纪晚期的双壳类Cuneamya

Q3 Earth and Planetary Sciences

Fossil Imprint Pub Date : 2019-08-01 DOI:10.2478/if-2019-0010

M. Polechová

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引用次数: 2

摘要

摘要对波希米亚晚奥陶世的双壳类Cuneamya catilloides进行了订正，该双壳类以前属于Grammysia属。Cuneamya catilloides是Letná组Modiolopsis群落群的重要组成部分。Grammysia属很可能不出现在波西米亚的奥陶纪，仅限于志留纪和泥盆纪地层。具有强共边缘肋的Cuneamya catilloides可能是一种常见的滤食性。Cuneamya是一个世界性的属，分布在阿瓦隆尼亚、巴尔蒂卡、劳伦蒂亚、佩鲁尼察和西冈瓦纳大陆。

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The bivalve Cuneamya from the Late Ordovician of Bohemia

Abstract The bivalve species Cuneamya catilloides from the Late Ordovician of Bohemia, previously assigned to the genus Grammysia, is revised. Cuneamya catilloides is an important element of the Modiolopsis Community Group in the Letná Formation. The genus Grammysia very probably does not occur in the Ordovician of Bohemia and is restricted to the Silurian and Devonian strata. Cuneamya catilloides with strong commarginal costae was probably an infaunal filter feeder. Cuneamya is a cosmopolitan genus, occurring on Avalonia, Baltica, Laurentia, Perunica and West Gondwana.

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来源期刊

Fossil Imprint Earth and Planetary Sciences-Stratigraphy

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍： Fossil Imprint (formerly Acta Musei Nationalis Pragae, Series B – Historia Naturalis) is an international, open access journal, publishing original papers and reviews of any length from all areas of paleontology and related disciplines, such as palaeoanthropology, biostratigraphy, palynology, and archaeobotany/zoology. All taxonomic groups are treated, including plants, invertebrates, vertebrates, microfossils, and ichnofossils, with a special emphasis on terrestrial and post-Palaeozoic marine biota. We encourage the publication of international meetings as well as special thematic issues. The aim of the journal is to spread the scientific knowledge with no restrictions, and to allow access to it to any interested person. Each article includes information about the date of receiving, accepting and issue.