FIGURE 11 in A new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the Rio Negro, Amazonas, Brazil: the smallest species of Potamotrygon

FIGURE 11. Clasper skeleton of adult male (UFPB 5216, 345 mm TL). A) Dorsal view. B) Ventral view. Abbreviations: at, accessory terminal cartilage; ax, axial cartilage; be, beta cartilage; bp, basipterygium; bs, basal segment; dm, dorsal marginal cartilage; dt2, dorsal terminal 2 cartilage; vm, ventral marginal cartilage; vt, ventral terminal cartilage.