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Osmunda sachalinensis
Osmunda sachalinensis Krysht. Izv. Akad. Nauk S.S.S.R., Otdel. Matem. Estestv. Nauk, Ser. Geol., 1936, (5): 708. 21 Mar 1937
- Name
- Osmunda sachalinensis
- Rank
- Species
- Generic Name
- [Genus] Osmunda
- Authors (Pub.)
- Kryshtofovich A. N.
- Publication
- Materialy k tretichnoj nizhnedujskoj flore Sakhalina [Materials on the Tertiary Lower Dui flora of Sakhalin] [1937/3]
- Journal
- Izvestiya Akademii Nauk SSSR
- Annee/Jahrgang
- 1936
- Issue
- 5
- Page number
- 708
- Year
- 1937
- Fossil Status
- foliage
- Stratigraphy
- Eocene
- Location
- Ogorodnaja village, Sakhalin Island, Sakhalin Region, Russian Federation
- Paleoregion
- Eurasia (Far East)
Data for Syntypus
- Repository
- Central Scientific-Research Geological Exploration Museum after S. N. Chernyshev (CNIGRMuseum), All-Russian Geological Institute (VSEGEI), St.-Petersburg, Russian Federation
- Repository Number
- 1/4211 [=499a/1] - pl. 1: 1, 2/4211 [=499a/1] - pl. 1: 2, 2, 3, 3-1, 4, 5; 3/4211 [=499/66] - pl. 1: 3, 4/4211 [=499/75] - pl. 1: 4; 5/4211 [=499a/101] - pl. 1: 5
- Diagnosis
- Fronde bipinnata, segmentis sessilibus, oblongo-lanceolatis, basi cordatorotundatis, plerumque inaequilateralibus usque ad auriculatis, ad 4 cm longis et 1-1.2 cm latis, apice subacutis margine obsolete undulatis, scilicet sublitissime crenulatis, nervis secundariis multis, ad basin statim bifurcatis, postea ramis paulo sursum bifurcatis, ramulis nondum proxime ad marginem furcatis, aff. О. regalis L., О. schemnitzensis Stur., О. Heeri Gaud. et О. Strozzii Gaud.
