Potamotrygon leopoldi
Subtitle: una nueva especie de raya de agua dulce para el Río Xingú, Brasil (Chondrichthyes, Potamotrygonidae) = Potamotrygon leopoldi : a new species of fresh-water sting-ray for the Xingú River, Brazil (Chondrichthyes, Potamotrygonidae)
By: Mariano N. Castex, Hugo P. Castello.
Contributors: Castello, Hugo P., joint author.
Series: Acta scientifica ;; 10
Publisher: Departamento de Zoología, ILAFIR, Universidad del Salvador
Published: 1970
Place of publication: San Miguel, Argentina
Language: spa
Number of pages: 16
Subjects: Potamotrygon leopoldi -- Classification.; Fishes -- Classification.; Fishes -- Brazil -- Xingu River -- Classification.
Notes: Bibliography: p. 13.
Spanish and English.