araucarianus, Austrolebias Costa [W. J. E. M.] 2014:98, Figs 1-2 [Ichthyological Exploration of Freshwaters v. 25 (no. 2); ref. 33514] Temporary swamp near road BR-476, Claro river floodplains, Iguaçu river drainage, Paraná river basin, 26°01'12"S, 50°39'08"E, southern Brazil, elevation 785 meters. Holotype: UFRJ 9797. Paratypes UFRJ 9798 (16), 9799 (6). •Valid as Garcialebias araucarianus (Costa 2014) -- (Alonso et al. 2023:13 [ref. 40292]). •Valid as Austrolebias araucarianus Costa 2014 -- (Alonso et al. 2018:10 [ref. 35938], Loureiro et al. 2018:11 [ref. 36240], Reis et al. 2020:473 [ref. 38364], Lanés et al. 2021:513 [ref. 38189]). Current status: Valid as Austrolebias araucarianus Costa 2014. Rivulidae: Cynolebiinae. Distribution: South America: Claro Rive floodplains, upper Iguaçu River basin (southern Brazil). Habitat: freshwater.