carvalhoi, Pterobunocephalus Crispim [J. L.], Argüello [P.], Silva [G. S. C.], Oliveira [C.], Luckenbill [K. R.] & Sabaj Pérez [M. H.] 2026:7, Figs. 2, 3A, 4A, 5, 6, 7 [Neotropical Ichthyology v. 24 (no. 1): e250162; ref. 42963] Unnamed river 300 m from Sani Isla North oil well platform, headwaters of the Pañayacu River, Napo River basin, Ecuador, 00°27'53"S, 76°19'09"W. Holotype: MEPN-I 20199. Paratypes: ANSP, MEPN. •Valid as Pterobunocephalus carvalhoi Crispim, Argüello, Silva, Oliveira, Luckenbill & Sabaj Pérez 2026. Current status: Valid as Pterobunocephalus carvalhoi Crispim, Argüello, Silva, Oliveira, Luckenbill & Sabaj Pérez 202. Aspredinidae: Aspredininae. Distribution: South America: Napo River drainage, western Amazon basin, Ecuador. Habitat: freshwater.