| Citation | Calegari, B.B., P. Lehmann A. and R.E. Reis, 2013, Two new species of cascudinhos of the genus Otothyropsis (Siluriformes: Hypoptopomatinae) from the rio Paraná basin, Brazil.. Zootaxa 3619(2):130-144. |
| Ref. | Calegari, B.B., P. Lehmann A. and R.E. Reis, 2013 |
| Page | 138;fig.6;tab.3-4 |
| Named Used as Valid | Otothyropsis biamnicus |
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