luzardoi, Austrolebias Perujo [E.], Calviño [P. A.], Salvia [H.] & Prieto [F.] 2005:3, Figs. 1-6, 8 [Revista del Museo de La Plata Zool. v. 17 (no. 171); ref. 28452] Temporary swamp, 30°25'00"S, 56°27'03"W, near río Cuareim, tributary of río Uruguay, near Artigas, Uruguay. Holotype: MHNM 3200. Paratypes: MACN 8671 (2), 8672 (2); MHNM 3201 (14). Type catalog: Loureiro et al. 2016:412 [ref. 35150] •Synonym of Austrolebias periodicus (Costa 1999) -- (Costa 2006:83 [ref. 28708], Litz & Koerber 2014:30 [ref. 33622]). •Synonym of Matilebias periodicus (Costa 1999). Current status: Synonym of Matilebias periodicus (Costa 1999). Rivulidae: Cynolebiinae. Habitat: freshwater.