1. Cytheroid ostracods (Crustacea) from South Korea, with description of a new species
- Author
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Wonchoel Lee, Akira Tsukagoshi, Hayato Tanaka, Hyunsu Yoo, and Ivana Karanovic
- Subjects
0106 biological sciences ,Arthropoda ,Ostracoda ,010607 zoology ,Zoology ,Morphology (biology) ,010603 evolutionary biology ,01 natural sciences ,Xestoleberididae ,Genus ,Hemipenis ,Animalia ,East Asia ,Carapace ,Ecology, Evolution, Behavior and Systematics ,Taxonomy ,East coast ,biology ,Cytheruridae ,Biodiversity ,Soft body ,biology.organism_classification ,Crustacean ,Podocopida ,Geography ,Animal Science and Zoology - Abstract
Living cytheroid ostracod fauna from South Korea is very poorly known, and so far only 12 species have been reported in the taxonomic literature with detail description. We describe one new species, Xestoleberis hujeongensis n. sp., and report three other cytheroid ostracods: X. setouchiensisOkubo, 1979; X. sagamiensis Okubo, 1976; and Hemicytherura kajiyamaiHanai, 1957 from the east coast of Korea. The new species is most closely related to Xestoleberis hanaiiIshizaki, 1968, a widely distributed and ecologically versatile species. The two species have a very similar carapace shape and soft body parts morphology. Nevertheless, the new species has a distinctively different carapace ornament (presence of wart-like structures on the male carapace), as well as hemipenis morphology. The other three species were known so far only from Japan, and the South Korean populations differ from the Japanese ones only by carapace size, while the carapace shape and all soft body parts are very similar to their original descriptions. This is also the first record of a living representative of the genus Hemicytherura Elofson, 1941 from Korea.
- Published
- 2019