unitaeniata, Piabucina Günther [A.] 1864:311 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Guyana [possibly Caroni River basin on the border Guyana-Venezuela]. Holotype (unique): BMNH 1988.2.16.1. •Valid as Piabucina unitaeniata Günther 1864 -- (Ovchynnyk 1967:27 [ref. 37559], Weitzman & Weitzman in Reis et al. 2003:247 [ref. 27061]). •Valid as Lebiasina unitaeniata (Günther 1864) -- (Ardila Rodríguez 1999:[8] [ref. 25624], Géry & Zarske 2002:45 [ref. 26555], Netto-Ferreira et al. 2011:774 [ref. 31718], Netto-Ferreira et al. 2013:567 [ref. 32711], Taphorn et al. 2022:26 [ref. 41297], Netto-Ferreira 2024:384 [ref. 40817]). Current status: Valid as Lebiasina unitaeniata (Günther 1864). Lebiasinidae: Lebiasininae. Distribution: South America: western Guyana in vicinity of Roraima and Gran Sabana (Guyana and Venezuela). Habitat: freshwater.