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:A62AB705-62C0-45B9-898F-B9DC2FEABE6A species
Back

Azolla verruculosa

Azolla verruculosa V.P. Nikitin in V.P. Nikitin, Hval' Paleobot., 2: 77. 2011
Name
Azolla verruculosa
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
77
Year
2011
Fossil Status
sporae dispersae (megaspores & microspores)
Stratigraphy
Oligocene
Strat. comment
Novomikhailovian suite
Location
Medvezhinka village (Medvezhinsky), Severnyj district, Novosibirsk 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/Н2682
Diagnosis
Megaspore complexes medium-sized to large, 0,47—0,60 mm long. Supraspore approximately as high as the infraspore or more often longer. Basic fl oats 9. Lower fl oats 1,5 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, uneven to fi nely tumulose, with occasional large vermiform grains protruding from the surface and overlying the subjacent ones. Infrafilosum absent.

Please login or register to comment on this