The Genus <i>Pinnularia</i> Ehrenberg (Bacillariophyta) from the Transbaikal Area (Russia, Siberia): Description of Seven New Species on the Basis of Morphology and Molecular Data with Discussion of the Phylogenetic Position of <i>Caloneis</i>
2023
Maxim Kulikovskiy | Anton Glushchenko | Elena Kezlya | Irina Kuznetsova | John Patrick Kociolek | Yevhen Maltsev
Seven <i>Pinnularia</i> species from the Transbaikal area, Russia, are described as new for science. These are <i>P. baicalgenkalii</i>, <i>P. baicalflexuosa</i>, <i>P. microfrauenbergiana</i>, <i>P. pergrunowii</i>, <i>P. siberiosinistra</i>, <i>P. baicalodivergens</i>, and <i>P. baicalislandica</i>. All species are described by original LM and SEM microphotographs and molecular phylogeny. We provide comparisons between the taxa and document variability in the features found in the species. The number of <i>Pinnularia</i> species in the Transbaikal area is the largest number of species of the genus anywhere in the world.
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