| Ref. No. | Title | 40302 | Potamotrygon yepezi, n. sp. (Condrichthyes, [sic] Potamotrygonidae), a new species of freshwater sting-ray from Venezuelan rivers. | 40303 | Potamotrygon leopoldi, a new species of freshwater sting-ray for the Xingú River, Brazil (Chondrichthyes, Potamotrygonidae). |
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