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Umaltolepis irkutensis
Umaltolepis irkutensis Nosova Rev. Palaeobot. Palynol., 289(104412): 2. 5 Mar 2021
- Name
- Umaltolepis irkutensis
- Rank
- Species
- Generic Name
- [Genus] Umaltolepis
- Authors (Pub.)
- Nosova N. V.
- Publication
- Female reproductive structures of Umaltolepis Krassilov and associated
leaves of Pseudotorellia Florin from the Middle Jurassic of East
Siberia, Russia [2021/3]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 289
- Issue
- 104412
- Page number
- 2
- Year
- 2021
- Fossil Status
- reproductive organs (seed)
- Stratigraphy
- Middle Jurassic
- Strat. comment
- Prisayan Formation, Aalenian–Bajocian
- Location
- Topka, Angara River Basin, Irkutsk Coal Basin, Irkutsk Region, Russian Federation
- Paleoregion
- Eurasia (Siberia)
Data for Holotypus
- Repository
- Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
- Repository Number
- Coll. BIN 1434, spec. 902-1
- Diagnosis
- Lobed cupules ovate in outline. Outer cuticle of cupule lobes thick; cells of outer epidermis short to elongated, tetra- to polygonal; anticlinal walls straight and thick, periclinal walls smooth, rarely with hollow papillae; cells near the distal part with small papillae. Stomata sparse to numerous, randomly scattered, orientedmostly along the lobe axis; some of the subsidiary cells with small papillae.
