25- Potamocypris unicaudata Schäfer, 1943

Global distribution: NA, NT, PA.

Argentinian distribution: La Pampa, Río Negro.

Ecology: This species has been recorded in both temporary and permanent environments located from 116 to 1042 m a.s.l., with water temperature ranging between 8 and 15 ºC, in alkaline waters (pH: 8.2–9.4), with conductivity values between 808 and 2200 μS/cm, high water transparency levels and sediments with low organic matter concentrations.

Cited by: Crespo (2017); Kihn et al. (2017); Coviaga et al. (2018b); Cusminsky et al. (2020).