The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2024

IDNAME urn:idName:ifpni.org:species:BB9EB690-2F03-4AB2-AB44-DE4B17EC8EAD species
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Azolla juganica

Azolla juganica V.P. Nikitin in V.P. Nikitin, Hval' Paleobot., 2: 63. 2011
Name
Azolla juganica
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
63
Year
2011
Fossil Status
sporae dispersae (megaspores)
Stratigraphy
Oligocene
Strat. comment
Atlymian suite
Location
Safonikha village, Nazyvaevsky district, Omsk region, Russian Federation
Paleoregion
Eurasia (W Siberia)
Data for Holotypus
Repository
Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
Repository Number
201/Н2831
Diagnosis
Megaspore complexes small, 0,35—0,45 mm long, often with a median constriction. Supraspore approximately as high as the infraspore or more often shorter. Basic fl oats 9. Lower fl oats 1,5—2 times smaller than the upper ones. Cap partially covering the supraspore. Columella present. Collar narrow to almost indistinct. Suprafi losum moderately developed to scarce. Infraspore surface fi nely granulate, uniform or with rare large vermiform grains protruding from the surface and overlying the subjacent ones. Infrafilosum absent.

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