OSTRACOD RESEARCH

at the Lake Biwa Museum, Japan


Robin James Smith

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Genus Cavernocypris Hartmann, 1964

Superfamily: Cypridoidea Baird, 1845
Family: Cyprididae Baird, 1845
Subfamily: Cypridopsinae Kaufmann, 1900

Three (sub-) species have been reported from Korea:

1. Cavernocypris coreana coreana (McKenzie, 1972)

Figures in: McKenzie 1972 (carapace and appendages, as "Cypridopsis" coreana coreana).
Habitat: Caves.
Mode of life: Subterranean
Reproductive mode: Sexual.
Known distribution: Yeongweol, Gangwon Province, Jeongseon, Gangwon Province, Samcheog, Gangwon Province (McKenzie 1972).

References:
McKenzie, K.G. 1972. Results of the speleological survey in South Korea 1966. XXII. Subterranean Ostracoda from South Korea. Bulletin of the National Science Museum, Tokyo, 15, 155-166.


2. Cavernocypris coreana elongata (McKenzie, 1972)

Figures in: McKenzie 1972 (carapace and appendages, as 'Cypridopsis' coreana coreana), Marmonier et al. 1989 (carapace and appendages), Chang et al. 2012 (carapace).
Habitat: Caves (McKenzie 1972), seeps and river gravels (Chang et al. 2012).
Mode of life: Subterranean/interstitial.
Reproductive mode: Both sexual and asexual populations have been reported (McKenzie 1972; Chang et al. 2012)
Known distribution: Koesan, North Chungcheong Province, Mungyeong, North Gyeongsang Province, Pyeongchang, Gangwon Province (McKenzie 1972), Gangreung, Gangwon Province, Yeongdeok-gun, North Gyeongsang Province, Uljin-gun, North Gyeongsang Province (Chang et al. 2012).

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.

McKenzie, K.G. 1972. Results of the speleological survey in South Korea 1966. XXII. Subterranean Ostracoda from South Korea. Bulletin of the National Science Museum, Tokyo, 15, 155-166.

3. Cavernocypris danielopoli Smith & Kamiya, 2017


Left side view of a female Cavernocypris danielopoli, length about 0.55 mm.


External view of female left valve of Cavernocypris danielopoli, length 564 microns.


External view of female right valve of Cavernocypris danielopoli, length 549 microns.

Figures in: Smith et al. 2017 (carapace and appendages).
Habitat: Caves
Mode of life: Subterranean/interstitial.
Reproductive mode: Only females have been found, suggesting it is an asexual species.
Known distribution: Gosu Cave (Yongsugol), Gosu-ri, Danyang-eup, Dangyang-gun County, Chungcheongbuk-do Province, and Gossi Cave, Yeongweol-gun County, Gangwondo Province, South Korea.

References:
Smith, R. J., Kamiya, T., Choi, Y-G., Lee, J. & Chang, C. Y. 2017. A new species of Cavernocypris Hartmann, 1964 (Crustacea: Ostracoda) from caves in South Korea. Zootaxa, 4268, 360-376.