PDF) A systematic revision of the South American freshwater stingrays (Chondrichthyes: Potamotrygonidae)

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A systematic revision of the South American freshwater stingrays (Chondrichthyes: Potamotrygonidae)
PDF) A systematic revision of the South American freshwater stingrays  (Chondrichthyes: Potamotrygonidae)
PDF] Systematic revision of the Potamotrygon motoro (Müller & Henle, 1841) species complex in the Paraná-Paraguay basin, with description of two new ocellated species (Chondrichthyes: Myliobatiformes: Potamotrygonidae)
PDF) A systematic revision of the South American freshwater stingrays  (Chondrichthyes: Potamotrygonidae)
Systematic revision of the Potamotrygon scobina Garman, 1913 species-complex (Chondrichthyes: Myliobatiformes: Potamotrygonidae), with the description of three new freshwater stingray species from Brazil and comments on their distribution and
PDF) A systematic revision of the South American freshwater stingrays  (Chondrichthyes: Potamotrygonidae)
PDF] Systematic revision of the Potamotrygon motoro (Müller & Henle, 1841) species complex in the Paraná-Paraguay basin, with description of two new ocellated species (Chondrichthyes: Myliobatiformes: Potamotrygonidae)
PDF) A systematic revision of the South American freshwater stingrays  (Chondrichthyes: Potamotrygonidae)
SciELO - Brasil - A new species of Neotropical freshwater stingray of the genus Potamotrygon Garman, 1877 from the Río Madrede Díos, Peru ( Chondrichthyes: Potamotrygonidae) A new species of Neotropical freshwater stingray
PDF) A systematic revision of the South American freshwater stingrays  (Chondrichthyes: Potamotrygonidae)
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PDF) A systematic revision of the South American freshwater stingrays  (Chondrichthyes: Potamotrygonidae)
FRESHWATER STINGRAYS OF THE GREEN RIVER FORMATION OF WYOMING (EARLY EOCENE), WITH THE DESCRIPTION OF A NEW GENUS AND SPECIES AND AN ANALYSIS OF ITS PHYLOGENETIC RELATIONSHIPS (CHONDRICHTHYES: MYLIOBATIFORMES)
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