Hrabalicrinus zitti gen. et sp. nov., and other Upper Jurassic crinoids (Echinodermata, Crinoidea) from the Brno area (Czech Republic)

IF 1 4区地球科学 Q4 PALEONTOLOGY

Annales de Paleontologie Pub Date : 2021-04-01 DOI:10.1016/j.annpal.2021.102482

Mariusz A. Salamon , Miroslav Bubík , Bruno Ferré , Piotr Duda , Bartosz J. Płachno

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引用次数: 1

Abstract

Jurassic (Oxfordian) crinoids from the Brno area (Czech Republic) are described in details for the first time. A rich crinoid assemblage consisting of cups, isolated cup elements, brachial plates, columnals, pluricolumnals, and cirrals is assigned to isocrinids Isocrinus amblyscalaris (Thurmann), Balanocrinus subteres (Münster), B. pentagonalis (Goldfuss), Isocrinida indet., comatulid Hrabalicrinus zitti gen. et sp. nov., cyrtocrinids Lonchocrinus sp., Cyrtocrinus cf. nutans (Goldfuss), Pilocrinus moussoni (Desor), Tetracrinus moniliformis Münster, Cyrtocrinida indet., and millericrinids (Millericrinida indet.). Crinoids already mentioned from the Jurassic strata of the Czech Republic are subsequently revised. Apart from the isolated remains of Isocrinida, Millericrinida, and Thiolliericrinida, the presence of any other taxon reported from this area should be treated with extreme caution. A rare example of non-regenerative columnal healing (the so-called callus) in I. amblyscalaris is also described. Based on sedimentology and microfacies, the Jurassic limestones were deposited in various palaeoenvironments of upper carbonate platform and shelf lagoon (0 to > 50 m palaeodepth).

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捷克布尔诺地区Hrabalicrinus zitti gen. et sp. nov.和其他上侏罗统海百合(棘皮科，海百合总科)

首次详细描述了捷克布尔诺地区的侏罗纪(牛津)海百合。由杯状、分离杯状、臂板状、柱状、多柱状和环状组成的丰富的海蛇形组合被分配给Isocrinus amblyscalaris (Thurmann)、Balanocrinus subteres (m nster)、B. pentagonalis (Goldfuss)和Isocrinida indet。， comatulid Hrabalicrinus zitti . et sp. nov.， cyrtocrius Lonchocrinus sp.， cyrtocrius cfnutans (Goldfuss)，毛尾尾crius moussoni (Desor)，长尾尾crius moniliformis minnster, cyrtocriinida indet.。和千禧年虫(milericrinida indet.)。捷克共和国侏罗纪地层中已经提到的海百合随后被修正。除了孤立的Isocrinida、Millericrinida和Thiolliericrinida外，在该地区发现的任何其他分类群都应谨慎对待。一个罕见的例子，非再生柱愈合(所谓的愈伤组织)在I. amblyscalaris也被描述。根据沉积学和微相分析，侏罗系灰岩沉积于上碳酸盐岩台地和陆架潟湖的不同古环境(0 ~ >50米古深度)。

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来源期刊

Annales de Paleontologie 地学-古生物学

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Créées par Marcellin Boule en 1905, les Annales de Paléontologie publient 4 numéros par an traitant des fossiles animaux et végétaux, dans tous les domaines de la paléontologie incluant : -La Paléoanatomie- La Paléohistologie- La Morphologie fonctionnelle- La Systématique- L''Évolution- La Paléoécologie ... et toute les contributions susceptibles d''améliorer la compréhension des organismes et des environnements éteints.

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