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Cosmosperma polylobum
Cosmosperma polylobum De-M. Wang, Le 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.
