期刊
ZOOTAXA
卷 4767, 期 1, 页码 115-137出版社
MAGNOLIA PRESS
DOI: 10.11646/zootaxa.4767.1.5
关键词
Cladocera; Alona; taxonomy; revision; new species; Eurasia
类别
资金
- Russian Science Foundation [18-14-00325]
- Russian Science Foundation [18-14-00325] Funding Source: Russian Science Foundation
Our analysis of Alona cf. affinis (Cladocera: Chydoridae) populations from European Russia, Siberia and Far East of Russia bearing denticles at the posteroventral corner, based on both their morphology and genetic study considering variability of mitochondrial COI and 16S and nuclear 18S genes, revealed that they belong to a separate taxon described here as Alona sibirica sp. nov. Previously populations with denticles at the posteroventral corner were recorded from Sweden, Finland, Ukraine, European Russia, Kyrgyzstan and Mongolia, but never reported outside the temperate regions of Eurasia, so A. sibirica sp. nov. is presumably the only species of the A. affinis group with denticles at the posteroventral corner of the valves. The primary distribution area of the new species is North-East Palaearctic, while Eastern Europe and Central Asia are the areas of the species penetration, where it is less common and frequently coexisting with A. affinis s. str.
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