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Issue: Vol. 5659 No. 2: 3 Jul. 2025
Type: Article
Published: 2025-07-03
DOI: 10.11646/zootaxa.5659.2.7
Page range: 257-272
Abstract views: 50
PDF downloaded: 1

Cladocera of subgenus Coronatella (Ephemeralona) Sinev, 2020 (Anomopoda: Chydoridae) from South Africa and Australia

Department of invertebrate Zoology; Biological Faculty; M.V. Lomonosov Moscow State University; Leninskie gory 1-12; Moscow 119234; Russia.
Crustacea Cladocera taxonomy morphology revision bipolar distribution

Abstract

Two species of the water fleas from subgenus Coronatella (Ephemeralona) Sinev, 2020 from the Southern Hemisphere are revised and redescribed based on type material. South African Coronatella (Ephemeralona) striolata (Sars, 1916) differs from all other species of the subgenus in extremely large eye and ocellus and unique morphology of male postabdomen. Coronatella (Ephemeralona) vermiculata (Smirnov & Timms 1983), initially described as a subspecies of Alona davidi Sars, 1903, differs from other species of the subgenus in a truncated rostrum and spine-like posterior setae of valves. Morphology and taxonomic position of the studied species is discussed. With all other species of the subgenus Coronatella (Ephemeralona) confined to Europe, North Africa and arid belt of Asia, the subgenus has a well-described previously bipolar (antitropical) distribution.

 

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How to Cite

Sinev, A.Y. (2025) Cladocera of subgenus Coronatella (Ephemeralona) Sinev, 2020 (Anomopoda: Chydoridae) from South Africa and Australia. Zootaxa, 5659 (2), 257–272. https://doi.org/10.11646/zootaxa.5659.2.7