Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Austrolebias: Composed from Austro = the south + see under Lebias; araucarianus: Name refers to the presence of this new species in the Aracaurian Plateau Forest, a temperate biogeographical province, in which the landscape is dominated by the Brazilian conifer Araucaria angustifolia..