Poecilurichthys Gill [T. N.] 1858:414, 417 Masc. Poecilurichthys brevoortii Gill 1858. Type by subsequent designation. Type designated by Eigenmann 1910:432 [ref. 1224]. •Synonym of Astyanax Baird & Girard 1854, but a valid subgenus Poecilurichthys -- (Géry 1977:426 [ref. 1597], Géry et al. 1996:8 [ref. 22155], Zarske & Géry 2002:17 [ref. 26554], Ruiz-C. et al. 2011:49 [ref. 31365], Ruiz-C et al. 2023:117 [ref. 39815]). •Synonym of Astyanax Baird & Girard 1854 -- (Taphorn 1992:110 [ref. 23654], Buckup in Reis et al. 2003:107 [ref. 27061], Bührnheim & Malabarba 2007:1 [ref. 29170], Terán et al. 2020:9 [ref. 37440]). Current status: Synonym of Astyanax Baird & Girard 1854. Characidae: Stethaprioninae.