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Evaluating the effectiveness of DNA barcoding for genetic identification of Canthocamptidae (Harpacticoida, Copepoda) of Lake Baikal

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Zoological Systematics 2024年第4期49卷 285-298页

作者： Elena Fefilova Aleksandr Novikov elizaveta popova Maksim Golubev Aleksandra Bakashkina Ilya Velegzhaninov Institute of Biology Komi Scientific CentreUral Branch of the Russian Academy of Sciences28 Kommunisticheskaya StSyktyvkar 167982Russia Kazan Federal University 18 Kremlyovskaya420008 KazanRussia Pitirim Sorokin Syktyvkar State University 55 Oktyabrskyi Ave.Syktyvkar 167001Russia

Ancient Lake Baikal(LB)is the prime hotspot of the harpacticoid *** Canthocamptidae harpacticoids in the lake can be considered at least six species *** lacks of unequivocal diagnostic characters in the family species description often lead species identification to an *** developed molecular techniques provide a powerful tool to subject copepod taxa to comparative *** order to provide a new base for canthocamp-tids taxonomy and clarify the systematic in some species flocks,we analyzed the mitochondrial DNA marker COI of 103 harpacticoid specimens from LB belonging to five *** materials were obtained from different lake basins from the depths 0.2-1632 *** DNA barcoding,we identified 23 genetic species or groups of species,it was almost 1.5 times less than number of morphological species,and divergence of some molecular lineages were not corresponding to morphological *** of our study were the discovery of a new species,males of some morphological species,for which only females were previously described,clarification of the level of morphological variability of some species,***,it became apparent that morphological and genetic harpacticoid species diversity in LB differ significantly and it has to be detected strictly in complex.

关键词： Harpacticoid copepods species identification COI mtDNA molecular analysis Baikalian endemics Bayesian analysis

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