FIGURE 2. Ceratophrys ameghinorum compared with selected living Ceratophrys. A, D, G, J in The fossil record of Ceratophrys Wied-Neuwied (Anura: Ceratophryidae): a revision and update of fossil South American horned frogs

FIGURE 2. Ceratophrys ameghinorum compared with selected living Ceratophrys. A, D, G, J, Ceratophrys aurita (MLP 1280); B, E, H, K, C. ameghinorum (MACN 14318); C, F, I, L, C. cornuta (MZUSP 151382). A–C, dorsal views; D–F, ventral views; G–I, lateral views; J–L, ventrolateral view. Abbreviations: ap, premaxillary alary process; lc, lateral crest; m, maxilla; mp, maxillary process of nasal; mpp, maxillary process of premaxilla; par, pterygoid anterior ramus; pl, neopalatine; pmr, pterygoid medial ramus; pof, postorbital fenestra; ppa, discrete pars palatina absent; ppr, pterygoid posterior ramus; pt, pterygoid; slw, squamosal lateral world; sop, squamosal otic plate; v, vomer; vp, ventral process of pterygoid. Scale bar is 5 mm.