| Citation | Castello, H.P. and D.R. Yagolkowski, 1969. Potamotrygon castexi (Condrichthyes, Potamotrygonidae), a new species of freshwater sting-ray for the Paraná River. Acta ScientÃfica ILAFIR, 6:1-21, 1 pl. |
| DOI / ISBN | |
| PDF/Reference URL | |
| Ref. No. | 39996 |
| Language | English |
| Usage | not seen |
| Comments on the publication | |
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