stewarti, Pachyurus Casatti [L.] & Chao [L. N.] 2002:2, Fig. 1 [Zootaxa No. 38; ref. 26002] Río Aguarico, in the confluence with Río Pushino, 0°2.6'N, 76°54.4'W, Sucumbios, Ecuador. Holotype: FMNH 101957. Paratypes: FMNH 94410 (2), 94116 (1), 101956 (1). •Valid as Pachyurus stewarti Casatti & Chao 2002 -- (Casatti in Reis et al. 2003:600 [ref. 27061], Barriga Salazar 2014:117 [ref. 35745], Parenti 2020:39 [ref. 37439], Meza-Vargas et al. 2021:27 [ref. 39298]). Current status: Valid as Pachyurus stewarti Casatti & Chao 2002. Sciaenidae. Distribution: South America: upper Amazon basin (Ecuador and Peru). Habitat: freshwater.