amaila, Characidium Lujan [N. K.], Agudelo-Zamora [H.], Taphorn [D. C.], Booth [P. N.] & López-Fernández [H.] 2013:455, Figs. 1A, 2, 4, 5 [Copeia 2013 (no. 3); ref. 32922] Region 8, Kuribrong River drainage, a tributary of the Potaro/Essequibo River system, confluence of the Amaila and Kuribrong rivers immediately above Amaila Falls (Rapids 1), 5°22'33"N, 59°33'01"W, Guyana., Holotype: CSBD 1655. Paratypes: many at ANSP, AUM, ROM. •Valid as Characidium amaila Lujan, Agudelo-Zamora, Taphorn, Booth & López-Fernández 2013 -- (Melo & Oyakawa 2015:287 [ref. 33788], Zanata & Ohara 2015:375 [ref. 33970], Flausino Junior et al. 2020:357 [ref. 37666], Agudelo-Zamora et al. 2020:11 [ref. 37812], Zanata et al. 2020:10 [ref. 37813], Zanata & Ohara 2020:8 [ref. 38004], Taphorn et al. 2022:20 [ref. 41297]). Current status: Valid as Characidium amaila Lujan, Agudelo-Zamora, Taphorn, Booth & López-Fernández 2013. Crenuchidae: Characidiinae. Distribution: South America: Kuribrong watershed (Guyana) endemic. Habitat: freshwater.