| Citation | Sousa, L.M. and L.H. Rapp Py-Daniel, 2005, Description of two new species of Physopyxis and redescription of P. lyra (Siluriformes: Doradidae).. Neotrop. Ichthyol. 3(4):625-636. |
| Ref. | 56903 Sousa, L.M. and L.H. Rapp Py-Daniel, 2005 |
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| Named Used as Valid | Physopyxis cristata |
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