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], Giora & Wingert 2023:125 [ref. 41026]). •Valid as Psalidodon henseli -- (Melo et al. 2024:30 [ref. 41541] in Acestrorhamphinae). Replacement Name. Current status: Valid as Psalidodon henseli (de Melo & Buckup 2006). Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: Rio Grande do Sul (Brazil). Habitat: freshwater.