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Pseudotorellia irkutensis
Pseudotorellia irkutensis Nosova Rev. Palaeobot. Palynol., 289(104412): 4. 5 Mar 2021
- Name
- Pseudotorellia irkutensis
- Rank
- Species
- Generic Name
- [Genus] Pseudotorellia
- 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
- 4
- Year
- 2021
- Fossil Status
- foliage
- 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. 960-3c
- Diagnosis
- Leaves linear, narrow and long; apex rounded, apiculate or acute; veins 3–5 per widest part. Leaves hypostomatic. Ordinary epidermal cells of the adaxial epidermis predominantly short, rarely elongated, quadrangular, in some cases polygonal; epidermal cells of the abaxial epidermis elongated, tetragonal in the nonstomatal bands, and elongated to short, tetra- or polygonal in the stomatal bands. The anticlinal cell walls of both leaf surfaces straight, periclinal walls smooth. Stomata arranged in not always clear bands. Subsidiary cellswith proximal papillae.
