parnaibae, Glyptoperichthys Weber [C.] 1991:641 [Revue Suisse de Zoologie v. 98 (no. 3); ref. 19114] Lac de Parnaguá, Rio Paraim, Parnaíba basin, Maranhão, Brazil. Holotype: NMW 48034. Paratypes: BMNH 1904.1.28.8 (1); CAS 63452 [ex IU 4221, MCZ 1522] (1); MCZ 7905 (2), 7906 (2), 7907-10 (2, 1, 1, 1); MZUSP 5119 (2); NMW 44453-55 (3), 48031 (2), 48033 (1), 48037-39 (4, 2, 1). Type catalog: Ferraris 2007:292 [ref. 29155]. •Valid as Glyptoperichthys parnaibae Weber 1991 -- (Weber 1992:21, 30 [ref. 19714], Burgess & Finley 1996:169 [ref. 22901], Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:16 [ref. 27178], Weber in Reis et al. 2003:353 [ref. 27061]). •Valid as Pterygoplichthys parnaibae (Weber 1991) -- (Armbruster & Page 2006:402 [ref. 28898], Ferraris 2007:292 [ref. 29155], Ramos et al. 2014:4 [ref. 35321], Melo et al. 2016:376 [ref. 35317], Koerber et al. 2022:51 [ref. 39235], Limeira-Filho et al. 2024:7 [ref. 41573]). Current status: Valid as Pterygoplichthys parnaibae (Weber 1991). Loricariidae: Hypostominae. Distribution: South America: Parnaíba River basin (northeastern Brazil). IUCN (2022): Least Concern. Habitat: freshwater.