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Czekanowskia ordosensis
Czekanowskia ordosensis C.-L. Sun, H.-S. Wang, Dilcher, T. Li, Y.-F. Li, Y.-L. Na Bot. Pacif., 4(2): 150. 17 Oct 2015
- Name
- Czekanowskia ordosensis
- Rank
- Species
- Generic Name
- [Genus] Czekanowskia
- Authors (Pub.)
- Sun C.-L.
Wang H.-S.
Dilcher D. L.
Li T.
Li Y.-F.
Na Y.-L.
- Publication
- A new species of Czekanowskia (Czekanowskiales) from the Middle Jurassic of Ordos Basin, China [2015/10]
- Journal
- Botanica Pacifica
- Volume
- 4
- Issue
- 2
- Page number
- 150
- Year
- 2015
- Fossil Status
- foliage
- Stratigraphy
- Middle Jurassic
- Strat. comment
- Yan’an Formation
- Location
- Yanjiata coal mine, Dongsheng, Inner Mongolia, China
- Paleoregion
- Eurasia (China)
Data for Holotypus
- Repository
- Research Center of Palaeontology and Stratigraphy, Jilin University, Changchun, China
- Repository Number
- YJT062
Data for Paratypus
- Repository
- Research Center of Palaeontology and Stratigraphy, Jilin University, Changchun, China
- Repository Number
- SSG024, SSG025
- Diagnosis
- Linear leaves in a bundle of six or seven attached on the short shoot; individual leaf more than 130 mm long, branching dichotomously once (occasionally twice) in the middle or upper portion, resulting ultimate
leaf segments 1.4–1.6 mm wide. Leaf amphistomatic, sparse stomata longitudinally arranged in file on the upper epidermis; stomata longitudinally arranged in band on the lower epidermis with each band containing 2–3 files. Guard cells surrounded by four to six subsidiary cells. Anticlinal walls straight. Trichomes or papillae absent.
