Genus Strandesia Stuhlmann, 1888
Superfamily: Cypridoidea Baird, 1845
Family: Cyprididae Baird, 1845
Subfamily: Cypridinae Baird, 1845
One species has been reported from Japan:
1. Strandesia bicuspis (Claus, 1892) 
Alien
External view of a female left valve of Strandesia bicuspis, length 2246 microns.
External view of a female right valve of Strandesia bicuspis, length 2197 microns.
- Additional figures in: Smith et al. 2024; Ferreira et al. 2020.
- Habitat: In Japan, only known from aquaria.
- Mode of life: Nektobenthic (swimmer).
- Reproduction mode: Asexual, males unknown.
- Known distribution: Kanagawa Prefecture (Smith et al. 2024). Elsewhere, South America: Argentina, Brazil, Colombia, Paraguay, Suriname and Venezuela. Also recorded as an alien species in Germany (Ferreira et al. 2020).
- Notes: This species is currently only known as a contaminant in the aquaria of a pet shop in Japan. It is an alien species accidentally imported with plants or fish, and originates from South America.
- References:
- ⚬ Ferreira, V. G., Higuti, J. & Martens, K. 2020. Taxonomic revision of Strandesia s.s. (Crustacea, Ostracoda) from four Brazilian floodplains, with the description of three new species. Zootaxa, 4760, 1-74.
- ⚬ Smith, R. J., Ozawa, H., Nishida, S. & Nakai, S. 2024. Non-marine Ostracoda (Crustacea) collected from pet shops and a hobbyist's aquaria in Japan, including two new species. Zootaxa 5410 (4), 451–494.