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A comparative study on in situ spores of some Paleozoic noeggerathialeans and their implications for dispersed spore assemblages
Bek, Jiri1; Wang, Jun(王军)2,3,4
2021-11-01
发表期刊REVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
卷号294页码:17
摘要

The presence of noeggerathialeans has never been recognized in palynology in the Carboniferous and Permian floras, although they arc a very common group as evidenced by megafossil floras. Noeggerathialeans including over 20 genera and 50 species are quite common in the Carboniferous and Permian floras and especially in Cathaysia (present-day China and East Asia). While the spores of this group will have been identified in the dispersed record, they have not been assigned to it. Our recent investigation on the Asselian peat-forming vegetation from the Wuda Coalfield in Inner Mongolia reveals that three species of the noeggerathialean plants Tingia and Paratingia (namely, Tingia unita, Paratingia wudensis and Paratingia sp. 1) are ubiquitous floral elements, and in some areas represent the dominant ecological plant group. In particular, most of the specimens are ontogenetically mature with well-developed reproductive organs. This presents an excellent opportunity to examine their in situ spores. In situ microspores are small (only 30 mu m on average) and are assigned to the miospore genus Punctatisporites/Gulisporites. Megaspores are poorly preserved but only show evidence of a single functional megaspore per sporangium (monomegaspory) with megaspores of the Calamospora type but unexpanded and not completely filling the sporangia. Spores of Chinese Tingia and Paratingia species are surprisingly identical, both in terms of their morphology and dimensions, but are different from all other noeggerathialean spores produced by the genera Discinites, Noeggerathiuestrobus, Lacoeu, Tingiostuchyu and Dorsalistachya. European and American Discinites species produced microspores of the Calamospora type unlike those of the Punctutisporites/ Gulisporites type described here from Chinese Tingia, Paratingia and Discinites species so far known. In this context, noeggerathialean spores of Punctutisporites/Gulisporites from China have most likely been treated as the spores of sphenopsids in dispersed preservation, rather than being identified as the Sporae-dispersue of noeggerathialeans in the late Paleozoic landscapes of Cathaysia. (C) 2021 Elsevier B.V. All rights reserved.

关键词Noeggerathialeans In situ spores Carboniferous-Permian China Noeggerathiales Paratingia Tingia Wuda
DOI10.1016/j.revpalbo.2021.104379
收录类别SCI
语种英语
关键词[WOS]CARBONIFEROUS CONTINENTAL BASINS ; INNER-MONGOLIA ; SP-NOV ; DISCINITES ; STROBILUS ; MARATTIALES ; GENUS ; FRUCTIFICATION ; PALEOECOLOGY ; PARATINGIA
资助项目Grant Agency of the Czech Republic[19-06728S] ; research plan of the Institute of Geology of the Czech Academy of Sciences, v.v.i[RVO67985831] ; Chinese Academy of Sciences[XDB18030404] ; National Nature Science Foundation of China[41530101] ; National Nature Science Foundation of China[41502006] ; National Nature Science Foundation of China[41372010] ; National Nature Science Foundation of China[41372011]
WOS研究方向Plant Sciences ; Paleontology
WOS类目Plant Sciences ; Paleontology
WOS记录号WOS:000707926400012
项目资助者Grant Agency of the Czech Republic ; research plan of the Institute of Geology of the Czech Academy of Sciences, v.v.i ; Chinese Academy of Sciences ; National Nature Science Foundation of China
出版者ELSEVIER
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/39982
专题中国科学院南京地质古生物研究所
通讯作者Bek, Jiri; Wang, Jun(王军)
作者单位1.Czech Acad Sci, Lab Palaeobiol & Palaeoecol, Vvi, Inst Geol, Rozvojova 269, Prague 16500 6, Czech Republic
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig LPS, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
4.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
通讯作者单位中国科学院南京地质古生物研究所
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Bek, Jiri,Wang, Jun. A comparative study on in situ spores of some Paleozoic noeggerathialeans and their implications for dispersed spore assemblages[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2021,294:17.
APA Bek, Jiri,&Wang, Jun.(2021).A comparative study on in situ spores of some Paleozoic noeggerathialeans and their implications for dispersed spore assemblages.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,294,17.
MLA Bek, Jiri,et al."A comparative study on in situ spores of some Paleozoic noeggerathialeans and their implications for dispersed spore assemblages".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 294(2021):17.
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