FIGURE 12 in An Unusual, Dwarf New Species Of Neotropical Freshwater Stingray, Plesiotrygon Nana Sp. Nov., From The Upper And Mid Amazon Basin: The Second Species Of Plesiotrygon (Chondrichthyes: Potamotrygonidae)

FIGURE 12: Ventral lateral-line system in species of Plesiotrygon. A) P. nana sp. nov. (based on female paratype, MZUSP 108777, 81 mm DL, 72 mm DW). B) P. iwamae (MZUSP 59899, 325 mm DL, 310 mm DW). Abbreviations: AST, anterior subpleural tubules; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JUG, jugular canal; PNS, prenasal canal; PST, posterior subpleural tubule; SOC, supraorbital canal; SOL, suborbital loop; SPL, subpleural loop. Scale bar = 3 cm.