FIGURE 40. Skeletal anatomy (from radiographs) of Potamotrygon garmani, sp. nov. (UNT 2178, adult female, 428 mm DW). A. Ventral view of the anterior disc, jaws and pectoral girdle. Scale bar = 15 mm. B. Pelvic girdle, pelvic radials, and base of tail. Scale bar = 10 mm. C. Angular cartilages, right side. Scale bar = 5 mm. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium
FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ-602s, juvenile mal...
FIGURE 30. Ventral lateral-line canals of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. ...
FIGURE 26. Morphological details of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm...
FIGURE 22. Skeletal anatomy (from radiographs) of Potamotrygon adamastor, sp. nov. (MZUSP 104662, ad...
FIGURE 41. Illustration of the clasper skeleton of Potamotrygon garmani, sp. nov. (based on UNT unca...
FIGURE 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ-602s, juvenile male, 238 mm...
FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scob...
FIGURE 13. Skeletal anatomy (from radiographs) of Potamotrygon scobina (MZUSP 104247, adult male, 50...
FIGURE 32. Illustration of the clasper skeleton of Potamotrygon amazona, sp. nov. (MZUSP 117347, adu...
FIGURE 35. Details of Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). A. Dorsal h...
FIGURE 36. Teeth of Potamotrygon garmani, sp. nov. (UNT 2173) A. Upper jaw (scale bar = 2 mm). B. Up...
FIGURE 39. Ventral lateral-line canals of Potamotrygon garmani, sp. nov. (based on UNT 2173) A. Over...
FIGURE 38. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon garmani, sp...
FIGURE 23. Illustration of the clasper skeleton of Potamotrygon adamastor, sp. nov. A. Dorsal view. ...
FIGURE 20. Scanning Electron Microscope (SEM) images of the dermal denticles of Potamotrygon adamast...
FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ-602s, juvenile mal...
FIGURE 30. Ventral lateral-line canals of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. ...
FIGURE 26. Morphological details of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm...
FIGURE 22. Skeletal anatomy (from radiographs) of Potamotrygon adamastor, sp. nov. (MZUSP 104662, ad...
FIGURE 41. Illustration of the clasper skeleton of Potamotrygon garmani, sp. nov. (based on UNT unca...
FIGURE 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ-602s, juvenile male, 238 mm...
FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scob...
FIGURE 13. Skeletal anatomy (from radiographs) of Potamotrygon scobina (MZUSP 104247, adult male, 50...
FIGURE 32. Illustration of the clasper skeleton of Potamotrygon amazona, sp. nov. (MZUSP 117347, adu...
FIGURE 35. Details of Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). A. Dorsal h...
FIGURE 36. Teeth of Potamotrygon garmani, sp. nov. (UNT 2173) A. Upper jaw (scale bar = 2 mm). B. Up...
FIGURE 39. Ventral lateral-line canals of Potamotrygon garmani, sp. nov. (based on UNT 2173) A. Over...
FIGURE 38. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon garmani, sp...
FIGURE 23. Illustration of the clasper skeleton of Potamotrygon adamastor, sp. nov. A. Dorsal view. ...
FIGURE 20. Scanning Electron Microscope (SEM) images of the dermal denticles of Potamotrygon adamast...
FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ-602s, juvenile mal...
FIGURE 30. Ventral lateral-line canals of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. ...
FIGURE 26. Morphological details of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm...