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Leptotoma baikaliсa
Leptotoma baikaliсa Nosova Paleobot., 1: 25. 2010
- Name
- Leptotoma baikaliсa
- Rank
- Species
- Generic Name
- [Genus] Leptotoma
- Authors (Pub.)
- Nosova N. V.
- Publication
- Rod Leptotoma Kiritch. et Samyl. (Ginkgoales): sistematika i osobennosti epidermal'nogo stroeniya list'ev [2010]
- Journal
- Paleobotanika
- Volume
- 1
- Page number
- 25
- Year
- 2010
- Fossil Status
- foliage
- Stratigraphy
- Lower Cretaceous
- Strat. comment
- Kuta Suite
- Location
- Kharanor coal quarry, Borzya district, Transbaikalia Territory, Russian Federation
- Paleoregion
- Eurasia (Siberia)
Data for Holotypus
- Repository
- Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
- Repository Number
- 825-4/1
- Diagnosis
- Leaves dichotomously divided four times. Stomata on the upper epidermis forming 1—4
marginal discontinuous rows, orientated longitudinally to obliquely. Lateral epidermis consisting of 5—7
cell rows with 1—2 stomata per width. Lower epidermis with 5—9 stomata per width, stomata forming
indistinct rows, orientated longitudinally to obliquely or less frequently irregularly. Anticlinal walls of cells
straight; periclinal wall sometimes with an indistinct cuticular ridge or wart. Subsidiary cells often bearing
a small wart or papilla, central or less frequently proximal.