FIGURE 24 in Morphology and phylogenetic relationships of a remarkable new genus and two new species of Neotropical freshwater stingrays from the Amazon basin (Chondrichthyes: Potamotrygonidae)

FIGURE 24. Clasper morphology of Heliotrygon rosai, n. sp. A) External morphology (holotype, MZUSP 104996). B) Clasper skeleton in dorsal view (MZUSP 108295). C) Clasper skeleton in ventral view (MZUSP 108295). Anterior facing top of page. Abbreviations: AT, accessory terminal cartilage; AX, axial cartilage; BE, beta cartilage; B1, first basal segment; B2, second basal segment; CG, clasper groove; DM, dorsal marginal cartilage; DPS, dorsal pseudosiphon; DT2, dorsal terminal 2 cartilage; VM, ventral marginal cartilage; VPS, ventral pseudosiphon; VT, ventral terminal cartilage.