guianensis, Acara Regan [C. T.] 1905:340 [Annals and Magazine of Natural History (Series 7) v. 15 (no. 88) (art. 42); ref. 3623] Guiana. Holotype (unique): BMNH 1851.5.2.8 [ex ZMB]. See Keith et al. 2000:220 [ref. 24547]. •Valid as Krobia guianensis (Regan 1905) -- (Kullander & Nijssen 1989:151 [ref. 14136], Kullander in Reis et al. 2003:637 [ref. 27061], Kullander 2012:51 [ref. 31798], Steele et al. 2013:152 [ref. 32810], Bragança et al. 2014:632 [ref. 36422], Melo et al. 2016:135 [ref. 34701] as cf. guianensis). Current status: Valid as Krobia guianensis (Regan 1905). Cichlidae: Cichlinae. Distribution: Northern South America: Essequibo River basin, Guyana and Suriname; Araguari River basin, Amapá, Brazil. Habitat: freshwater.