New materials of Mariopteris from the Cisuralian of northwestern China and their implications for palaeogeographic diversification

New materials of Mariopteris from the Cisuralian of northwestern China and their implications for palaeogeographic diversification
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中国西北部苏苏拉系马蕨属新材料及其对古地理多样性的意义

DOI:
10.1080/08912963.2019.1675054
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发表时间:
2019-10
期刊:
影响因子:
1.4
通讯作者:
Sun Bai-Nian
Sun Bai-Nian
中科院分区:
地球科学3区
文献类型:
--
作者:
Wang Xue-Lian;Jia Yan-Zhao;Hua Yi-Fan;Xiong Cong-Hui;Sun Bai-Nian

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摘要玛丽蕨属在晚古生代的大部分时间里广泛分布于欧洲和北美。新的Mariopteris化石记录可以为它们的演化和古地理分布提供一个历史的视角。Mariopteris yongchangensis sp. nov.,M. hexiensis sp. nov.,和M. sp.,本文根据形态解剖特征,对甘肃永昌山西组Cisuralian的12个化石进行了详细描述。我们可以推断,密西西比纪和二叠纪的玛丽羊齿属模式种仍然很罕见且简单,但该分类群在宾夕法尼亚纪出现了多样化。这里提出的化石记录和古气候特征表明,瓜达卢佩是结束的优势Mariopteris和该属在热带环境中的石炭纪-二叠纪更多样化。
ABSTRACT The genus Mariopteris was widespread throughout Europe and North America throughout most of the Late Palaeozoic. New fossil records of Mariopteris can provide a historical perspective on their evolution and palaeogeographic distributions. Three Mariopteris species, Mariopteris yongchangensis sp. nov., M. hexiensis sp. nov., and M. sp., from the Cisuralian of Shanxi Formation in Yongchang, Gansu Province, northwestern China are described in detail here on the basis of morphological and anatomical characteristics. We are able to deduce that the type species of Mariopteris in the Mississipian and Permian remained rare and simplified but that this taxon diversified in the Pennsylvanian. The fossil records and palaeoclimatic characteristics presented here suggest that the Guadalupian was the end of the dominance of Mariopteris and that this genus was more diverse in tropical environments in the Carboniferous-Permian.
DOI: 10.1016/0034-6667(83)90023-4
发表时间: 1983-03
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