Ostracod Research at the Lake Biwa Museum, Japan

Robin James Smith

Genus Herpetocypris Brady & Norman, 1889

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

One species has been reported from Japan:

1. Herpetocypris chevreuxi (Sars, 1896)

Right side view of a female Herpetocypris chevreuxi, length 1.9 mm.

External view of a female left valve of Herpetocypris chevreuxi, length 1875 microns.

External view of a female right valve of Herpetocypris chevreuxi, length 1779 microns.

Additional figures in: Gonzalez Mozo et al. 1996; Meisch 2000; Okubo 2004.
Habitat: From Japan reported from rice fields (Okubo 2004; Tanaka et al. 2015). Elsewhere known from small, stagnant water bodies, the littoral zones of lakes, swamps, and slow streams and rivers (Meisch 2000).
Mode of life: Nektobenthic (swimmer).
Reproduction mode: Asexual, males unknown.
Known distribution: In Japan, reported from Shiga Prefecture, Kumamoto Prefecture (Okubo 2004) and Shizuoka Prefecture (Tanaka et al. 2015). Elsewhere, known from the Azores, the Canary Islands, North Africa, Europe, Iran, central Asia, South Africa and South America (Meisch 2000).
References:
⚬ Gonzalez Mozo, M. E., Martens, K. & Baltanas, A. 1996. A taxonomic revision of European Herpetocypris Brady and Norman, 1889 (Crustacea, Ostracoda). Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Biologie, 66, 93-132.
⚬ Meisch, C. 2000. Freshwater Ostracoda of Western and Central Europe. In: Schwoerbel, J., Zwick, P., (Eds.), Süßwasserfauna von Mitteleuropa 8/3. Spektrum Akademischer Verlag, Heidelberg, Berlin 522 pp.
⚬ Okubo, I. 2004. Nihon tansui san kaimijinko rui ni tsuite. Kabushikigaisha Sanmon Insatsusho, Okayama, Japan, 72pp. [In Japanese, privately published].
⚬ Tanaka, H., Kotorii, H., Yokozawa, K., Wakabayashi, F., Kimoto, K. & Sano, K. 2015. Distribution and occurrence of freshwater Ostracoda (Crustacea) from southwest region of Mt. Fuji. TAXA, Proceedings of the Japanese Society of Systematic Zoology, 38, 26-41. [In Japanese with English abstract.]