Known distribution: Shiga Prefecture (Smith 2011). Elsewhere, known from Europe, Western Africa, North America, the Caribbean, Madagascar, the Middle East and Indonesia (see review of the distribution in Rossetti & Martens 1998).
References:
⚬ Danielopol, D. L. 1968. Microdarwinula N. G. et quelques remarques sur la Répartition de la famille Darwinulidae Br. et Norm. [Crustacea, Ostracoda]. Annales de Limnologie, 4, 153-174.
⚬ Rossetti G. & Martens, K. 1998. Taxonomic revision of the Recent and Holocene representatives of the Family Darwinulidae
(Crustacea, Ostracoda), with a description of three new genera. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Biologie, 68, 55-110.
⚬ Smith, R. J. 2011. Groundwater, spring and interstitial Ostracoda (Crustacea) from Shiga Prefecture, Japan, including descriptions of three new species and one new genus. Zootaxa, 3140, 15-37.