| 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 | 70;fig.36;tab.13 |
| Named Used as Valid | Hypoptopoma incognitum |
| Comment | |
| Locality | Bolivia: Beni, Río Itenez, opposite to Costa Marques, AMNH 39759. |
| Distribution | South America: across the central and lower Rio Amazonas basin; including Rio Tocantins basin. It is the only species known for northeastern coastal rivers. |
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