FIGURE 5 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 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ-602s, juvenile male, 238 mm DW) from radiographs. A. Ventral view (scale bar = 40 mm). B. Ventral view of head region (scale bar = 10 mm). C. Pelvic girdle (scale bar = 15 mm). D. Angular cartilages in detail, right side. Abbreviations: AAC, anterior angular cartilage; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRO, propterygium.