Journal of Species Research

The National Institute of Biological Resources (국립생물자원관)
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One new species and three records of cytheroid ostracods (Crustacea, Ostracoda) from Korea

  • Karanovic, Ivana (Department of Life Science, College of Natural Science, Hanyang University) ;
  • Yoo, Hyunsu (Department of Life Science, College of Natural Science, Hanyang University) ;
  • Tanaka, Hayato (Research Center for Marine Education, Ocean Alliance, The University of Tokyo) ;
  • Tsukagoshi, Akira (Department of Geoscience, Faculty of Science, Shizuoka University)
  • Received : 2017.08.16
  • Accepted : 2017.10.27
  • Published : 2017.12.28
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Abstract

This study describes a new species of cytheroid ostracod, Paradoxostoma koreana sp. nov., collected in Korea. In addition, three other cytheroid ostracods, P. setoense Schornikov, 1975, Loxoconcha pulchra Ishizaki, 1968, and Ishizakiella miurensis (Hanai, 1957), are reported with brief descriptions and images. Paradoxostoma setoense and L. pulchra were previously only known from Japan, while I. miurensis was previously reported from Korea. Here, we describe variability in hemipenis morphology observed in the Korean population. The new species is closely related to several East Asian species, but its sister species is P. rhomboideum Okubo, 1977. The primary difference between the new species and P. rhomboideum is morphology of the distal projections of the hemipenis, but minor differences exist in the details of the cheatotaxy of other appendages. This report also provides a list of all East Asian Paradoxostomatidae.

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References

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