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Scolecopteris minuta sp. nov., a marattialean fern from the early Permian Wuda Tuff Flora of Inner Mongolia, China
Wan, Mingli(万明礼)1; Sun, Wenjun(孙文俊)1,2; Bek, Jiri3; Liu, Feng(刘峰)1; Hill, Christopher1; Wang, Jun(王军)1,2
2021-11-01
Source PublicationREVIEW OF PALAEOBOTANY AND PALYNOLOGY
ISSN0034-6667
Volume294Pages:15
Abstract

A new and exceptionally hairy marattialean fern of an early Permian age having pecopterid sterile pinnules and strongly enrolled fertile pinnules, Scolecopteris minute sp. nov., is described from the uppermost Taiyuan Formation of the Wuda coalfield in Inner Mongolia. The fertile fronds are at least tripinnate, with lanceolate to linear penultimate pinnae and oblong ultimate pinnac. Each pinnule bearing 6-9 ovate to fusiform pedicellate synangia, arranged abaxially in a single row to either side of the midvein. The deeply incised pinnule margins are strongly reflexed downwards and inwards, closely enveloping and sheathing the synangia Each synangium is comprised of a ring of sporangia which were closely pressed together before dehiscence. The sterile fronds are of pecopterid form. Taken as a whole, the combination of characters of Scolecopteris minuta sp. nov. indicates attribution to the Latifolia group of Scolecopterids sensu Millay (1979). In its exceptionally hairy frond rachises and the equally exceptionally dense growth of smaller hairs both on the adaxial and abaxial sides of the fertile pinnules, and even on the tips of the synangia of S. minuta. We propose that this dense hairiness functioned primarily as a deterrent to spore-eating insects and perhaps also to other predators. (C) 2020 Elsevier B.V. All rights reserved.

KeywordPecopteris Scolecopteris Sporangia In situ spores Cathaysia flora Epidermal hairs
DOI10.1016/j.revpalbo.2020.104246
Indexed BySCI
Language英语
WOS KeywordCOAL-SWAMP VEGETATION ; IN-SITU SPORES ; PALEOZOIC MARATTIALEANS ; FERTILE PINNULES ; GUIZHOU PROVINCE ; SHANXI PROVINCE ; NEI MONGOL ; GEN-N ; CLIMATE ; PLANT
Funding ProjectNational Natural Science Foundation of China[41530101] ; National Natural Science Foundation of China[41872013] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18000000] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB26000000] ; Grant Agency of the Czech Republic[19-06728S] ; Institute of Geology of the Czech Academy of Sciences, v.v.i.[RVO67985831] ; State Key Laboratory of Palaeobiology and Stratigraphy[20181102] ; Youth Innovation Promotion Association CAS[2020312]
WOS Research AreaPlant Sciences ; Paleontology
WOS SubjectPlant Sciences ; Paleontology
WOS IDWOS:000707926400003
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Grant Agency of the Czech Republic ; Institute of Geology of the Czech Academy of Sciences, v.v.i. ; State Key Laboratory of Palaeobiology and Stratigraphy ; Youth Innovation Promotion Association CAS
PublisherELSEVIER
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/39985
Collection中国科学院南京地质古生物研究所
Corresponding AuthorWan, Mingli(万明礼); Wang, Jun(王军)
Affiliation1.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Acad Sci Czech Republ, Inst Geol, Vvi, Prague 16500, Czech Republic
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Wan, Mingli,Sun, Wenjun,Bek, Jiri,et al. Scolecopteris minuta sp. nov., a marattialean fern from the early Permian Wuda Tuff Flora of Inner Mongolia, China[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2021,294:15.
APA Wan, Mingli,Sun, Wenjun,Bek, Jiri,Liu, Feng,Hill, Christopher,&Wang, Jun.(2021).Scolecopteris minuta sp. nov., a marattialean fern from the early Permian Wuda Tuff Flora of Inner Mongolia, China.REVIEW OF PALAEOBOTANY AND PALYNOLOGY,294,15.
MLA Wan, Mingli,et al."Scolecopteris minuta sp. nov., a marattialean fern from the early Permian Wuda Tuff Flora of Inner Mongolia, China".REVIEW OF PALAEOBOTANY AND PALYNOLOGY 294(2021):15.
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