Fig. 51. Potamotrygon amandae, n in Systematic revision of the Potamotrygon motoro (Müller & Henle, 1841) species complex in the Paraná-Paraguay basin, with description of two new ocellated species (Chondrichthyes: Myliobatiformes: Potamotrygonidae)

Fig. 51. Potamotrygon amandae, n. sp. Dorsal and ventral views of neurocranium and mandibular arch (in ventral view) of a non-type adult male specimen, MZUSP 111148, 280 mm DW. Abbreviations: AAC, anterior angular cartilage; CL, calcified ligament; DLP, dorsolateral process; EPB, epiphysial bar; FPF, frontoparietal fontanelle; HYO, hyomandibula; MC, Meckel's cartilage; PAC, posterior angular cartilage; PCF, precerebral fontanelle; POP, postorbital process; PQ, palatoquadrate PRP, preorbital process; SP, supraorbital process.