| 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. |
| Ref. | Sabaj Pérez, M.H. and J.L.O. Birindelli, 2013 |
| Page | 137;fig.2,3A-B,4D |
| Named Used as Valid | Hassar shewellkeimi |
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