torrenticola, Piabarchus Mahnert [V.] & Géry [J.] 1988:3, Fig. 2; Pl. 2 [Revue française d'Aquariologie Herpétologie v. 15 (no. 1); ref. 6407] Salto Pirareta, Cordillera Province, Paraguay, circa 25°30'S, 56°56'W. Holotype: MHNG 2385.70. Paratypes: MNHN 1988-0469 [ex MHNG 85] (2); MHNG 2385-71 (42), 2385-72 (orig. 60), 2385-73 (34), 2385-74 (6); MZUSP 38398 (2); NMW 87626 (3); USNM 290842 [ex MHNG 2385-72] (4). Type catalog: Vari & Howe 1991:33 [ref. 19022], Oyakawa 1996:490 [ref. 23140], Weber 1998:8 [ref. 32707], Herder et al. 2010:118 [ref. 31087]. •Valid as Piabarchus torrenticola Mahnert & Géry 1988 -- (Lima in Reis et al. 2003:154 [ref. 27061], Thomaz et al. 2015:Add. 5 [ref. 33893], Koerber et al. 2017:34 [ref. 35267], Lima 2024:254 [ref. 40817]). Current status: Valid as Piabarchus torrenticola Mahnert & Géry 1988. Stevardiidae: Diapominae. Distribution: South America: Paraguay River basin, Brazil and Paraguay. Habitat: freshwater.