Inland Water Biology

, Volume 8, Issue 3, pp 222–231 | Cite as

Comparative morphological characteristic of diatoms of genus Hannaea Patrick of the two largest lakes of the Baikal rift zone with a description of the new species

  • V. S. VishnyakovEmail author
  • M. S. Kulikovskiy
  • S. I. Genkal
  • I. V. Kuznetsova
Biology, Morphology, and Systematics of Hydrobionts


The comparative morphological characteristics of fragilaroid diatoms of genus Hannaea from lakes Baikal and Khubsugul, based on the results of light and electron microscopy, as well as new data on the study of type material H. baicalensis in a light microscope, are shown. New species H. hovsgolensis Vishnjakov, Kulikovskiy et Genkal from Khubsugul Lake is described. H. hovsgolensis has high similarity with H. baicalensis based on the presence of a biseriate striae and bilabiate rimoportulae on both ends of valves. These features are characteristic for species of the Baikal rift zone and determine their difference from Holarctic species: H. arcus and H. inaequidentata.


diatoms Hannaea new species morphology Khubsugul Baikal Rift Zone Russia Mongolia 


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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • V. S. Vishnyakov
    • 1
    Email author
  • M. S. Kulikovskiy
    • 1
  • S. I. Genkal
    • 1
  • I. V. Kuznetsova
    • 1
  1. 1.Papanin Institute for Biology of Inland WatersRussian Academy of SciencesBorok, Nekouzskii raion, Yaroslavl oblastRussia

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