Jenynsia alternimaculata .

CI-FML 3831, 41 (10), 22.2-37.8 mm, Bolivia, Tarija, unnamed river in Acheralitos, which flows to Río Cambarí, Río Tarija basin . CI-FML 3825, 16 (4 C&S), 20.8-43.7 mm, Argentina, Salta, Dpto. Orán, Río Anta Muerta, tributary of Río Blanco, Río Bermejo basin .