| Citation | Aquino, A.E. and S.A. Schaefer, 2010, Systematics of the genus Hypoptopoma Günther, 1868 (Siluriformes, Loricariidae).. Bull. Amer. Mus. Nat. Hist. 336:1-110. |
| Ref. | 84367 Aquino, A.E. and S.A. Schaefer, 2010 |
| Page | 89;fig.44;tab.17 |
| Named Used as Valid | Hypoptopoma machadoi |
| Comment | |
| Locality | Venezuela, San Fernando de Apure, swamps on south bank of R?´o Apure, ca. 3 km west of Fisheries Station, MBUCV V-35362. |
| Distribution | South America: known for the Rio Orinoco basin in Venezuela, including the Rio Meta drainage in Colombia. |
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