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Azolla incerta
Azolla incerta V.P. Nikitin in V.P. Nikitin, Hval' Paleobot., 2: 18. 2011
- Name
- Azolla incerta
- Rank
- Species
- Generic Name
- [Genus] Azolla
- Authors (Name)
- Nikitin V. P.
- Authors (Pub.)
- Nikitin V. P.
Hval' A. V.
- Publication
- Reproduktivnye struktury Azolla v kajnozoe Zapadnoj Sibiri [2011]
- Journal
- Paleobotanika
- Volume
- 2
- Page number
- 18
- Year
- 2011
- Fossil Status
- sporae dispersae (megaspores & microspores)
- Stratigraphy
- Oligocene
- Strat. comment
- Lagernotomskaja suite
- Location
- NW Tomsk, Tomsk region, Russian Federation
- Paleoregion
- Eurasia (W Siberia)
Data for Holotypus
- Repository
- Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
- Repository Number
- 209/Н3522
- Diagnosis
- Megaspore complexes small, 0,33—0,40 mm long. Supraspore approximately as high as the infraspore or longer. Basic fl oats 3. Cap partially covering the supraspore. Columella present. Collar wide to poorly defi ned. Suprafi losum moderately developed. Infraspore surface coarse, even or with faint rounded wide tubercles, becomes spongy following the destruction of the exoperine. Infrafi losum tightly adjacent to the perine and covering its entire surface. Massulae distinctly compressed, large, 0,21—0,25 mm in diameter, with very short, 0,022—0,029 mm, nonseptate glochidia. Massula comprising more than 10 microspores.
