俄罗斯远东滨海地区早白垩世被子植物的多样化

Q3 Earth and Planetary Sciences

Fossil Imprint Pub Date : 2021-01-01 DOI:10.37520/fi.2021.017

L. Golovneva, E. Bugdaeva, E. Volynets, Yuewu Sun, A. Zolina

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引用次数: 2

摘要

俄罗斯远东滨海边疆区的Partizansk和Razdolnaya煤盆地，含有多种早期被子植物化石(花粉、叶子和果实)。本文对该地区早期被子植物资料进行了修订，并对最新研究成果进行了总结。采用同位素U-Th-Pb LA-ICP-MS和U-Pb ID-TIMS方法确定了植物矿床的年龄。Lipovtsy组上部年龄为118±1.4 Ma，对应于Aptian晚期。在Frentsevka组上部确定了早Albian时代(109±1 Ma)。分析了滨海地区早白垩世被子植物的多样性及其系统亲缘关系。揭示了月桂科、毛茛科、桔梗科的早期代表植物，以及可能的尾叶科。新组合Pandanites ahnertii (Krysht.)Golovn。,梳子。11月创建，新种阿拉木图(araliaphyllum vittenburgii Golovn)。et Volynets, sp. 11被描述。本文对土生草本被子植物进行了重建。

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Angiosperm diversification in the Early Cretaceous of Primorye, Far East of Russia

The Partizansk and Razdolnaya coal basins of Primorye, Far East of Russia, contain diverse early angiosperm fossils (pollen, leaves, and fruits). In this paper, we revise the previous data on early angiosperms of this region and summarize the results of our latest research. Age of the plant-bearing deposits was clarified using isotopic U-Th-Pb LA-ICP-MS and U-Pb ID-TIMS methods. Age of the upper part of the Lipovtsy Formation is 118 ± 1.4 Ma, which corresponds to the late Aptian. The early Albian age (109 ± 1 Ma) is assigned to the upper part of the Frentsevka Formation. The diversification of angiosperms in the Early Cretaceous of Primorye region and their systematic affinity are analyzed. Early representatives of Laurales, Ranunculales, Platanaceae, and probable Cercidiphyllaceae are revealed. New combination Pandanites ahnertii (Krysht.) Golovn., comb. nov. is created, and new species Araliaephyllum vittenburgii Golovn. et Volynets, sp. nov. is described. Reconstructions of herbaceous angiosperms from autochthonous locality Bolshoy Kuvshin are proposed.

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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.