Left side views of a male (top) and female Cyprinotus cassidula, male length 1.5 mm, female length 1.9 mm. Note how the right valve is higher than the left.
External view of female left valve, length 1911 microns.
External view of female right valve, length 1863 microns.
The male sexual organ of Cyprinotus uenoi, length 362 microns.
Known distribution: Jeollanam-do, Gyeongsangbuk-do, Gyeongsangnam-do, Ulsan (Kim & Min 1991; Chang et al. 2012; Smith & Chang 2020). Elsewhere, it has been reported from Japan (Okubo 1974; 2004; Okubo & Ida 1989; Smith & Chang 2020).
References:
⚬ Chang, C. Y., Lee, J. & Smith, R. J. 2012. Nonmarine ostracods (Crustacea) from South Korea, including a description of a new species of Tanycypris Triebel (Cyprididae, Cypricercinae). Zootaxa, 3161, 1 - 19.
⚬ Kim, W. & Min, G.S. 1991. Redescription of recent freshwater ostracods (Crustacea: Ostracoda) from Korea: A systematic
study of four species of family Cyprididae. The Korean Journal of Systematic Zoology, 7, 81-100.
⚬ Okubo, I. 1974. Two species of the genus Cyprinotus (Ostracoda, Cyprididae) from Japan. Researches on Crustacea, 6, 58-70.
⚬ Okubo, I. and Ida, K. 1989. Freshwater Ostracoda from Gunma Prefecture, Japan. Bulletin of the Biogeographical Society of Japan, 44, 105-107. [In Japanese.]
⚬ Okubo, I. 2004. Nihon tansui san kaimijinko rui ni tsuite. Kabushikigaisha Sanmon Insatsusho, Okayama, Japan, 72pp. [In Japanese, privately published].