FIGURE 7 in 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 biogeography

FIGURE 7. Details of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Dorsal head and snout region (scale bar = 100 mm). B. Mouth and nostrils (scale bar = 15 mm). C. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows (scale bar = 50 mm). D. Ventral view of pelvic fins, claspers, and cloaca (scale bar = 50 mm).