| 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. | Aquino, A.E. and S.A. Schaefer, 2010 |
| Page | 60;fig.33;tab.11 |
| Named Used as Valid | Hypoptopoma inexspectatum |
| Comment | |
| Locality | Argentina, Río Paraguay, near Formosa city, MACN 5164. |
| Distribution | Río Paraguay and Río Paraná drainage basin. There are no records for the upper Paraná upstream of Salto das Sete Quedas (Mato Grosso do Sul, Brazil). |
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