atrocaudatus, Chalceus Kner [R.] 1863:227, "Fig. 14" (unpublished) [Sitzungsberichte der Königlich Bayerischen Akademie der Wissenschaften zu München 1863, v. 2; ref. 5002] Western slopes of Andes, Ecuador. Holotype (unique): ZSM 143 [old collection] destroyed in WWII. Type catalog: Neumann 2006:268-269 [ref. 28925]. Also appeared as new in Kner & Steindachner 1864:44, Pl. 4 (fig. 3) [ref. 2649]. •Valid as Brycon atrocaudatus (Kner 1863) -- (Ovchynnyk 1967:28 [ref. 37559], Howes 1982:9 [ref. 14201], Ortega & Vari 1986:7 [ref. 9708], Lima in Reis et al. 2003:175 [ref. 27061], Barriga Salazar 2014:108 [ref. 35745], Jiménez-Prado et al. 2015:164 [ref. 34894], Meza-Vargas et al. 2022:4 [ref. 39566], Siccha-Ramirez et al. 2023:129 [ref. 40816], Valenzuela et al. 2023:94 [ref. 40815], Escobar Camacho et al. 2024:8 [ref. 40892]). Current status: Valid as Brycon atrocaudatus (Kner 1863). Bryconidae: Bryconinae. Distribution: South America: Pacific slope (Ecuador and Peru). Habitat: freshwater.