adornatus, Simpsonichthys Costa [W. J. E. M.] 2000:9, Figs. 1-2 [Aquarium (Brasil) v. 3 (no. 25); ref. 25933] Temporary pool, near Sítio do Mato, rio São Francisco basin, Bahia State, Brazil, 13°00'46.1"S, 43°28'50.0"W, elevation 463 meters. Holotype: MZUSP 54563. Paratypes: MCP 22262 (20); MZUSP 54564 (10); UFRJ 4805-07 (18, 1, 8), 5188-89 (20, 10). •Valid as Simpsonichthys adornatus Costa 2000 -- (Costa in Reis et al. 2003:540 [ref. 27061], Costa 2006:17 [ref. 28620], Costa 2007:85 [ref. 29445], Nielsen et al. 2010:57 [ref. 30828]). •Valid as Hypsolebias adornatus (Costa 2000) -- (based on generic placement in Costa 2011 [ref. 31654], Costa 2013;141 [ref. 33008], Nielsen et al. 2014:28 [ref. 33143], Nielsen et al. 2014:132 [ref. 33451], Silva et al. 2020:14 [ref. 37809]). Current status: Valid as Hypsolebias adornatus (Costa 2000). Rivulidae: Cynolebiinae. Distribution: South America: São Francisco River basin (Bahia State, Brazil). Habitat: freshwater.