bifurcum, Chaetostoma Lujan [N. K.], Meza-Vargas [V.], Astudillo-Clavijo [V.], Barriga Salazar [R. E.] & López-Fernández [H.] 2015:676, Fig. 7 [Copeia 103 (no. 3); ref. 33975] Santo Domingo de las Tsa´chilas Province, Guayas River drainage, Otongo River upstream of confluence with Baba River, Ecuador, 00°21'06.90"S, 79°12'52.32"W. Holotype: MEPN 14687. Paratypes: ANSP, AUM, FMNH, ROM. Plus non-type material. •Valid as Chaetostoma bifurcum Lujan, Meza-Vargas, Astudillo-Clavijo, Barriga Salazar & López-Fernández 2015 -- (Valenzuela et al. 2023:95 [ref. 40815], Escobar Camacho et al. 2024:8 [ref. 40892]). Current status: Valid as Chaetostoma bifurcum Lujan, Meza-Vargas, Astudillo-Clavijo, Barriga Salazar & López-Fernández 2015. Loricariidae: Hypostominae. Distribution: South America: Pacific slope (western Ecuador, northwestern Peru). Habitat: freshwater.