The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2022

IDNAME urn:idName:ifpni.org:species:0EF0F975-C22F-4552-A041-BA06E5C93C20 species
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Cosmosperma polylobum

Cosmosperma polylobum De-M. Wang, L. Liu, M.-C. Meng, J.-Z. Xue, T. Liu, Y. Guo Naturwissenschaften, 101(8): 616. 26 Jun 2014
Name
Cosmosperma polylobum
Rank
Species
Original spelling
polyloba
Generic Name
[Genus] Cosmosperma
Authors (Pub.)
Wang D.-M. Liu L. Meng M.-C. Xue J.-Z. Liu T. Guo Y.  
Publication
Cosmosperma polyloba gen. et sp. nov., a seed plant from the Upper Devonian of South China [2014/6]
Journal
Naturwissenschaften
Volume
101
Issue
8
Page number
616
Year
2014
Fossil Status
insynangescenceswith ovules (with ovules)
Stratigraphy
Famennian
Strat. comment
Wutung Formation
Location
Fanwan Village, Hongqiao Town, Changxing County, Zhejiang Province, China
Paleoregion
Cathaysia (South)
Data for Holotypus
Repository
Beijing University, Department of Geology, Beijing, China
Repository Number
PKUB13401 a+b
Diagnosis
Pinna up to 54 mm long and 28 mm wide, with pinna-rachis about 0.7 mmwide; pinnules 11.0–13.3mm long and 10.0–13.0 mm wide, borne at angle of 70–90°, and consisting of one terminal unit and four alternately arranged lateral units, pinnule units 4.2–7.2 mm long and 2.8–8.3 mm wide, and equally dichotomous for one to three times. Pollen organs borne in pairs, 2.2–2.4 mmlong and 2.4–2.9 mmwide, with stalks 1.0 mm long and 0.2–0.3 mm wide; microsporangia 2.3 mm long and 0.6–0.7 mm wide, and distally tapered. Cupules 6.4–8.8 mm long and 4.0–9.0 mm wide; pedicels 1.0 mm long and 0.4 mm wide; ovules 3.7– 4.2 mm long and 1.6–2.0 mm wide.
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