Figure 4. A in The oldest cynodont: new clues on the origin and early diversification of the Cynodontia

Figure 4. A, reconstruction of the skull of Charassognathus gracilis gen. et sp. nov., SAM-PK-K10369, in lateral view; B, high magnification of a postcanine tooth. Abbreviations: ang, angular; d, dentary; ep, epipterygoid; fr, frontal; j, jugal; l, lacrimal; m, maxilla; n, nasal; p, parietal; pm, premaxilla; po, postorbital; prf, prefrontal; rl, reflected lamina; sm, septomaxilla; sq, squamosal; sur, surangular. Scale bars = 10 mm and 1 mm, respectively.