New material of marattialean fern (Danaeopsis fecunda) from the Late Triassic in China with considerations on the tempo-spatial distribution pattern of Danaeopsis

IF 1.6 4区地球科学 Q2 PALEONTOLOGY Geobios Pub Date : 2022-04-01 DOI:10.1016/j.geobios.2022.02.003

Peng-cheng An , Ning Lu , Ya Li , Yong-dong Wang , Yan-bin Zhu , Li-qin Li

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Abstract

The genus Danaeopsis Heer ex Schimper is a typical and widespread Triassic eusporangiate fern and is also an important species in China with abundant records. In this study, a further investigation of Danaeopsis fecunda is achieved based on additional specimens from Yunnan Province, China. New features for the leaf morphology and pinnae arrangement of D. fecunda have been extended. The fossil record in China suggest that D. fecunda is a key species in the Northern Floristic Region (NFR) of China, spreading from the NFR to the Southern Floristic Region via the transitional zone in the Carnian and distributing in Yunnan in the Norian. In addition, the global tempo-spatial distribution pattern and the palaeoclimate implications of Danaeopsis are discussed. The genus Danaeopsis was distributed in Europe, Asia and even in Australia with warmer and humid, rarely semi-arid conditions in the Triassic. The wide-ranging distribution of Danaeopsis could be largely related to the palaeoclimatic pattern in the Triassic.

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中国晚三叠世蕨类植物(Danaeopsis fecunda)的新资料及其时空分布格局的思考

丹麦蕨属(Danaeopsis Heer ex Schimper)是一种典型的分布广泛的三叠纪泛蕨属植物，也是中国的重要种，记录丰富。本研究对中国云南省的褐藻标本进行了进一步的调查。扩展了牛尾草叶片形态和翅片排列的新特征。中国的化石记录表明，D. fecunda是中国北部植物区(NFR)的关键种，在卡尼期经过渡带从北方植物区(NFR)向南部植物区(NFR)扩散，在Norian期分布于云南。此外，还讨论了丹青藻的全球时空分布格局及其古气候意义。Danaeopsis属分布于三叠纪温暖湿润、半干旱的欧洲、亚洲甚至澳大利亚。藻藻的广泛分布可能与三叠纪的古气候格局有关。

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来源期刊

Geobios 地学-古生物学

CiteScore

3.30

自引率

6.20%

发文量

审稿时长

6-12 weeks

期刊介绍： Geobios publishes bimonthly in English original peer-reviewed articles of international interest in any area of paleontology, paleobiology, paleoecology, paleobiogeography, (bio)stratigraphy and biogeochemistry. All taxonomic groups are treated, including microfossils, invertebrates, plants, vertebrates and ichnofossils. Geobios welcomes descriptive papers based on original material (e.g. large Systematic Paleontology works), as well as more analytically and/or methodologically oriented papers, provided they offer strong and significant biochronological/biostratigraphical, paleobiogeographical, paleobiological and/or phylogenetic new insights and perspectices. A high priority level is given to synchronic and/or diachronic studies based on multi- or inter-disciplinary approaches mixing various fields of Earth and Life Sciences. Works based on extant data are also considered, provided they offer significant insights into geological-time studies.