FIGURE 38 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 38. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon garmani, sp. nov. (UNT 2173). A. Dorsal rostral region. B. Dorsal rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal tail region. F. Dorsal tail region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate