machadoi, Creagrutus Vari [R. P.] & Harold [A. S.] 2001:134, Fig. 54 [Smithsonian Contributions to Zoology No. 613; ref. 25842] Upper Río Caura, Caño Yumucukenã, within 4 kilometers its mouth, Departmento Cedeno, Bolivar, Venezuela. Holotype: MCNG 18852. Paratypes: MCNG 18896 (3), 41717 (6); USNM 359641 (2). •Valid as Creagrutus machadoi Vari & Harold 2001 -- (Vari & Harold in Reis et al. 2003:123-124 [ref. 27061], Mirande et al. 2013:763 [ref. 33366], Thomaz et al. 2015:Add. 5 [ref. 33893], DoNascimiento et al. 2017:57 [ref. 35633], Taphorn et al. 2022:14 [ref. 41297] as cf. machadoi). Current status: Valid as Creagrutus machadoi Vari & Harold 2001. Stevardiidae: Creagrutinae. Distribution: South America: Orinoco River basin (Venezuela and Colombia). Habitat: freshwater.