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Vladinikolaevia, gen. nov. - a new enigmatic freshwater diatom genus (Cymbellaceae; Bacillariophyceae) from Mongolia
Kulikovskiy, M.; Kociolek, J.P.; Liu, Y.; Kuznetsova, I.; Glushchenko, A. (2022). Vladinikolaevia, gen. nov. - a new enigmatic freshwater diatom genus (Cymbellaceae; Bacillariophyceae) from Mongolia. Fottea 22(2): 204-210. https://dx.doi.org/10.5507/fot.2021.022
In: Fottea. Czech Phycological Society: Praha. ISSN 1802-5439; e-ISSN 1805-4927
Peer reviewed article  
Available in  Authors 
Keywords
    Taxonomic status > New taxa > New genus
    Bacillariophyceae [WoRMS]; Cymbellaceae Greville, 1833 [WoRMS]; Vladinikolaevia
    Fresh water
Author keywords
    Cymbellaceae, diatoms, new genus, new species, Vladinikolaevia, taxonomy
Authors  Top 
  • Kulikovskiy, M., more
  • Kociolek, J.P.
  • Liu, Y.
  • Kuznetsova, I.
  • Glushchenko, A.
Abstract
    We studied a new freshwater cymbelloid diatom taxon collected from Mongolia with light and scanning electron microscopy. The monotypic genus Vladinikolaevia gen. nov., based on V. mongolica sp. nov, is described. The new genus is characterized by a combination of morphological features found in two well-known genera such as Cymbella and Encyonema. The raphe system is morphologically-similar to Encyonema but the presence of apical pore fields is similar to the genus Cymbella as presently circumscribed. There are other very interesting peculiarities found in V. mongolica sp. nov. that show it to be a distinct taxon. We discuss the morphology of this new genus in the context of valve morphogenesis and presence of primary and secondary valves. The description of this new genus from Mongolia supports our contention that Asia is home to many endemics, interesting and not yet described cymbelloid taxa.
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