Figure 8. Neurocranium of Rhinodoras sp., UNEFM-PF-503, from Urumaco Formation, Upper Member, Late Miocene.

North Corralito, northwestern Venezuela (11°14’44.7″ N, 70°16’26.4″ w). A schematic reconstruction and bones sutures (light gray: skull reference, dark gray: fossil skull); B lateral left view; C lateral right view; D posterior view; E dorsal view; F ventral view. Abbreviations: ANP – anterior nuchal plate; EPO – epioccipital; FRO – frontal; LE – lateral ethmoid; MES – mesethmoid; MNP – middle nuchal plate; PNP – posterior nuchal plate; PTO – pterotic; SCL – supracleitrum; SOC – supraoccipital; SP – dorsal-locking spine; SPH – sphenotic.