FIGURE 20 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 20. Articulated skeleton of Heliotrygon gomesi, n. sp. (CU 78486), in dorsoventral view, showing its remarkable morphology. Abbreviations: AR, enlarged anterior pectoral radial element; APRO, anterior segment of propterygium; BP, basipterygium; CTS, cervicothoracic synarcual; EFR, enlarged first pelvic radial element; HYO, hyomandibula; MES, mesopterygium; MET, metapterygium; NC, nasal capsule; PRO, propterygium; SCP, scapular process; TLS, thoracolumbar synarcual.