cabessadecuia, Parotocinclus Ramos [T. P. A.], Lima [S. M. Q.] & Ramos [R. T. C.] 2017:[2], Figs. 1-3 [Neotropical Ichthyology v. 15 (no. 2) e160153; ref. 35268] São Gonçalo do Gurgueia, rio Gurgueia, rio Parnaíba basin, Piauí, Brazil, 10°06'27.0"S, 45°21'24.0"W. Holotype: UFPB 10029. Paratypes: MZUSP, UFPB, UFRN. •Valid as Parotocinclus cabessadecuia Ramos, Lima & Ramos 2017 -- (Silva-Junior et al. 2020:11 [ref. 37598], Ramos et al. 2021:2 [ref. 38561], Koerber et al. 2022:51 [ref. 39235]). Current status: Valid as Parotocinclus cabessadecuia Ramos, Lima & Ramos 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: upper and middle rio Parnaíba basin (northeastern Brazil). Habitat: freshwater.