henseli, Astyanax de Melo [F. A. G.] & Buckup [P. A.] 2006:46 [Neotropical Ichthyology v. 4 (no. 1); ref. 28622] Porto Alegre, southern Brazil. Holotype (unique): ZMB 7479. Replacement for Tetragonopterus aeneus Hensel 1870, preoccupied in Tetragonopterus by T. aeneus Günther 1860. •Valid as Astyanax henseli de Melo & Buckup 2006 -- (Bertaco & Lucena 2010:19 [ref. 30750], Marinho & Birindelli 2013:46 [ref. 32569], Marinho & Ohara 2013:476 [ref. 32713], Lucena et al. 2013:232 [ref. 32870], Lucena et al. 2013:542 [ref. 32914], Bertaco 2014:493 [ref. 33320], Bertaco & Vigo 2015:270 [ref. 33857], Bertaco et al. 2016:412 [ref. 34561] with author as Melo & Buckup, Petry et al. 2016:301 [ref. 34966], Lucena et al. 2017:6 [ref. 35607]). Replacement Name. Current status: Valid as Astyanax henseli de Melo & Buckup 2006. Characidae: Stethaprioninae. Distribution: South America: Rio Grande do Sul, Brazil. Habitat: freshwater.