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Oswaldheeria eximia
Oswaldheeria eximia Gordenko Paleontol. Zhurn., 2007, (3): 86. 2007
- Name
- Oswaldheeria eximia
- Rank
- Species
- Generic Name
- [Genus] Oswaldheeria
- Authors (Pub.)
- Gordenko N. V.
- Publication
- Novyj vid khvojnykh Oswaldheeria iz batskikh otlozhenij Kurskoj oblasti s sokhranivshimisya elementami anatomii lista [2007]
- Journal
- Paleontologicheskii Zhurnal
- Annee/Jahrgang
- 2007
- Issue
- 3
- Page number
- 86
- Year
- 2007
- Fossil Status
- foliage
- Stratigraphy
- Bathonian
- Location
- Zhelesnogorsk town vicinity, Mikhailovskii open mine, Kursk region, Russian Federation
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository
- Palaeontological Institute, Russian Academy of Sciences, Moscow, Russian Federation
- Repository Number
- 5137/1
- Diagnosis
- Long leaves linear up to 150 mm
long, 1–2 mm wide, with 2 veins and 3 intercostal resin
ducts immersed in the mesophyll, visible in macerated
leaves. Leaf apex rounded. Epidermis hypostomous.
Lower cuticle thinner than the upper, with one median
stomatal zone. Cuticle of stomatal zone distinctly
ridged, cuticle of nonstomatal zones ornamented with
thin parallel ridges. Stomata longitudinally orientated,
monocyclic, incompletely amphicyclic, seldom amphicyclic. Subsidiary cells 4–7, non-papillate.
