| Citation | Sabaj Pérez, M.H. and J.L.O. Birindelli, 2013. Hassar shewellkeimi, a new species of thorny catfish (Siluriformes: Doradidae) from the upper Tapajós basin, Brazil. Proc. Acad. Nat. Sci. Philadelphia 162:133-156. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
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| Ref. No. | 93284 |
| Language | English |
| Usage | used in part |
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