A new species of the genus Pleuroxus Baird (Cladocera: Anomopoda: Chydoridae) from Jeju Island, South Korea
- Authors
- Jeong, Hyun Gi; Kotov, Alexey A.; Lee, Wonchoel
- Issue Date
- May-2013
- Publisher
- Magnolia Press
- Keywords
- Cladocera; Anomopoda; Chydoridae; taxonomy; fauna; East Asia; Korean Peninsula
- Citation
- Zootaxa, v.3666, no.1, pp 31 - 40
- Pages
- 10
- Indexed
- SCIE
SCOPUS
- Journal Title
- Zootaxa
- Volume
- 3666
- Number
- 1
- Start Page
- 31
- End Page
- 40
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/27967
- DOI
- 10.11646/zootaxa.3666.1.3
- ISSN
- 1175-5326
1175-5334
- Abstract
- A new species of the genus Pleuroxus Baird (Cladocera: Anomopoda: Chydoridae) is described from Jeju Island, South Korea. P. jejuensis sp. nov. is the closest relative of the aduncus-like species from southern hemisphere instead of P. aduncus s. str. It shares with P. wittsteini Studer, 1878 in: (1) brown colour; (2) absence of denticles on postero-ventral portion of valve; (3) unusually short postpore distance; (4) grouped postanal teeth. P. jejuensis sp. nov. differs from P. wittsteini in: (1) smaller postpore distance; (2) submarginal setules on inner side of the posterior valve margin; (3) prominent postero-dorsal angle of the postabdomen; (4) only two postanal teeth in each group; (5) longer proximalmost basal spine of the postabdominal claw; (6) very short accessory seta on limb I. The wittsteini-like chydorines seem to be remnants of an old, pan-continental species group.
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