Eudiaptomus transylvanicus and E. vulgaris (Copepoda: Calanoida: Diaptomidae): comparative morphology, distribution and ecology
Creators
- 1. Chuvash State University, 15 Moskovskiy Ave., Cheboksary 428015, Russia
- 2. Limnological Institute, Siberian Branch of Russian Academy of Sciences, 3 Ulan-Batorskaya St., Irkutsk 664033, Russia
- 3. Atlantic Branch of the Russian Federal Research Institute of Fisheries and Oceanography VNIRO (AtlantNIRO), 5 Dmitriy Donskoy St., Kaliningrad 236022, Russia
- 4. Tashkent State Agrarian University, 2 Universitetskaya St., Tashkent 100140, Uzbekistan
Description
Two closely related, difficult to diagnose calanoid copepod species, Eudiaptomus transylvanicus (Daday, 1891) and E. vulgaris (Schmeil, 1898), were studied based on the new material from the Sura River floodplain (the Middle Volga region, European Russia). The redescriptions and illustrations of two species are provided. The main diagnostic differences between these species are refined. New characters useful in the identification of E. transylvanicus are proposed. The data on distribution and habitats of the two species are reviewed and briefly analysed.
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