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Nilssoniopteris oishii
Nilssoniopteris oishii T. Yamada, J. Legrand, H. Nishida Rev. Palaeobot. Palynol., 156(3–4): 411. Sep 2009
- Name
- Nilssoniopteris oishii
- Rank
- Species
- Generic Name
- [Genus] Nilssoniopteris
- Authors (Pub.)
- Yamada T.
Legrand J.
Nishida H.
- Publication
- Structurally preserved Nilssoniopteris from the Arida Formation
(Barremian, Lower Cretaceous) of southwest Japan [2009/9]
- Journal
- Review of Palaeobotany and Palynology
- Volume
- 156
- Issue
- 3–4
- Page number
- 411
- Year
- 2009
- Fossil Status
- foliage
- Stratigraphy
- Barremian
- Strat. comment
- Arida Formation
- Location
- Yoshikawa, Yuasa, Wakayama Prefecture, Japan
- Paleoregion
- Eurasia (Japanese Archipelago)
Data for Holotypus
- Repository
- National Museum of Nature and Science, Palaeobotany Collection, Tokyo, Japan
- Repository Number
- NSM-PP-9177
- Diagnosis
- Gymnosperm leaf with segmented lamina with dense, simple parallel veins, 27–30 per cm. Stomata confined to intercostal area on abaxial surface. Stomata round to elliptic and oriented perpendicular to veins. Guard cells slightly overlapped by adjacent subsidiary cells. Trichome bases on abaxial surface. Rachis rhomboidal in cross section.
