Leaf scar and petiole anatomy reveal Pecopteris lativenosa Halle is a marattialean fern

doi:10.1016/j.geobios.2022.07.004

	Leaf scar and petiole anatomy reveal Pecopteris lativenosa Halle is a marattialean fern
	Li, Dandan 2,3,4; Zhou, Weiming 2,3,4; Wan, Mingli 2,3,4; Wang, Shijun 1; Wang, Jun 2,3,4
刊名	GEOBIOS
	2022-08-01
卷号	72-73 页码:37-53
关键词	Pecopteris lativenosa Anatomy Morphology Marattiales Permian Wuda
ISSN号	0016-6995
DOI	10.1016/j.geobios.2022.07.004
通讯作者	Wang, Jun(jun.wang@nigpas.ac.cn)
英文摘要	Pecopteris (Brongniart) Sternberg is a morphological fossil genus with a cosmopolitan distribution during the Permo-Carboniferous, of which most species belong to the marattialean and or "filicalean" ferns or less frequently to pteridosperms. The taxonomic affinity is uncertain unless distinctive reproductive organs or rachis anatomy is known. Among the numerous species of Pecopteris in the Permian Wuda Tuff Flora, Inner Mongolia, China, Pecopteris lativenosa Halle has been considered as a pteridosperm based on its larger variation of frond morphology, although evidence of fertile organs or rachises are unknown. Newly discovered specimens of this species from the Wuda Tuff Flora are mostly impression fossils. However, some have partially permineralized petioles and have fronds in organic connection to Caulopteris-type stem. Fronds are tripinnate; penultimate pinnae lengths are variable as are ultimate pin-nae lengths. Pinnules are oval and thick, and their midveins are straight and are of stable thickness. Lateral veins are dense, bifurcating 1-3 times. Petiole and rachises are anatomically preserved and show sclerenchyma, fundamental tissue and vascular tissue. Vascular bundles of petioles and rachises are C -shaped with two laterally inrolled ends, which are typically stewartiopterid petiole/rachis of Marattiales. These features allow us to assign Pecopteris lativenosa to the late Paleozoic marattialean fam-ily Psaroniaceae. (c) 2022 Elsevier Masson SAS. All rights reserved.
资助项目	National Natural Science Foundation of China[42172018] ; State Key Laboratory of Palaeobiology and Stratigraphy[20201103] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000]
WOS关键词	FILICALEAN FERN ; OSMUNDACEAE ; BASIN ; FLORA ; GLEICHENIACEAE ; EVOLUTION ; MASSIF ; CHINA
WOS研究方向	Paleontology
语种	英语
出版者	ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
WOS记录号	WOS:000860316000004
资助机构	National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.nigpas.ac.cn/handle/332004/41383]
专题	中国科学院南京地质古生物研究所
通讯作者	Wang, Jun
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China 2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironment, 39 East Beijing Rd, Nanjing 210008, Peoples R China 4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Li, Dandan,Zhou, Weiming,Wan, Mingli,et al. Leaf scar and petiole anatomy reveal Pecopteris lativenosa Halle is a marattialean fern[J]. GEOBIOS,2022,72-73:37-53.
APA	Li, Dandan,Zhou, Weiming,Wan, Mingli,Wang, Shijun,&Wang, Jun.(2022).Leaf scar and petiole anatomy reveal Pecopteris lativenosa Halle is a marattialean fern.GEOBIOS,72-73,37-53.
MLA	Li, Dandan,et al."Leaf scar and petiole anatomy reveal Pecopteris lativenosa Halle is a marattialean fern".GEOBIOS 72-73(2022):37-53.