haroldoi, Parotocinclus Garavello [J. C.] 1988:118, Fig. 1 [Naturalia (São Paulo) v. 13; ref. 6853] Córrego do Otaviano, Poço do Sanharó, Riacho Sanharó, Piauí, Brazil. Holotype: MNRJ 10531. Paratypes: MNRJ 10532-37 (6), 36890 (1). Type catalog: Ferraris 2007:282 [ref. 29155]. •Valid as Parotocinclus haroldoi Garavello 1988 -- (Lacerda & Evers 1996:88, 92 [ref. 22351], Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:31 [ref. 25653], Ribeiro et al. 2002:218 [ref. 26534], Britski & Garavello 2002:287 [ref. 26540], Isbrücker 2002:25 [ref. 27178], Schaefer in Reis et al. 2003:326 [ref. 27061], Ferraris 2007:282 [ref. 29155], Lehmann A. & Reis 2012:62 [ref. 32074], Ramos et al. 2013:788 [ref. 33028], Ramos et al. 2014:4 [ref. 35321], Ramos et al. 2016:[10] [ref. 34352], Ramos et al. 2017:[7] [ref. 35268], Ramos et al. 2020:322 [ref. 37417], Silva-Junior et al. 2020:11 [ref. 37598], Ramos et al. 2021:2 [ref. 38561]). Current status: Valid as Parotocinclus haroldoi Garavello 1988. Loricariidae: Hypoptopomatinae. Distribution: Rio Parnaíba basin, Piauí State, northeastern Brazil. Habitat: freshwater.