hysginus, Creagrutus Harold [A. S.], Vari [R. P.], Machado-Allison [A.] & Provenzano [F.] 1994:975, Fig. 1 [Copeia 1994 (no. 4); ref. 22027] Río Güiria, near La Toma, Estado Sucre, Venezuela. Holotype: MBUCV-V-20310. Paratypes: CAS 79623 (9, 1 c&s), 80270 (10); MBUCV-V-20304 (12, 1 c&s), V-24002 (20); MCNG 19691 (148); USNM 326035 (10), 326055 (10, 2 c&s). Type catalog: Provenzano et al. 1998:6 [ref. 24196]. •Valid as Creagrutus hysginus Harold, Vari, Machado-Allison & Provenzano 1994 -- (Vari & Harold 2001:119 [ref. 25842], Vari & Harold in Reis et al. 2003:123 [ref. 27061], Mirande et al. 2013:763 [ref. 33366] as hysiginus, Thomaz et al. 2015:Add. 5 [ref. 33893]). Current status: Valid as Creagrutus hysginus Harold, Vari, Machado-Allison & Provenzano 1994. Stevardiidae: Creagrutinae. Distribution: Rivers draining into Gulf of Paria, Estados Sucre and Monagas, Venezuela. Habitat: freshwater.