| Reference no. | Description | Year | Name Used | Page |
|---|---|---|---|---|
| 56903 | 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. | 2005 | Physopyxis ananas | --> |
| 56787 | Eschmeyer, W.N. (ed.), 2006. Catalog of fishes. Updated database version of April 2006. Catalog databases as made available to FishBase in April 2006. | 2006 | Physopyxis ananas | --> |
| 124474 | Freitas, T.M.S., A.T.T. De Paula, H. Leão, N.L. Benone and L.F.A. Montag, 2019. Length-weight relationships of 11 fish species from streams of Anapu River Basin, State of Pará, eastern Amazon, Brazil. J. Appl. Ichthyol. 35:793-795. | 2019 | Physopyxis ananas | 794 |
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