Figure 2 in A new Lower Permian trematopid (Temnospondyli: Dissorophoidea) from Richards Spur, Oklahoma

Figure 2. Skull of Acheloma dunni, holotype (OMNH 73281) in dorsal view. Abbreviations: f, frontal; in.f, internarial fenestra; j, jugal; l, lacrimal; l.e.e., lateral exposure of the ectopterygoid; l.e.p., lateral exposure of the palatine; m, maxilla; n, nasal; pf, postfrontal; pm, premaxilla; po, postorbital; pp, postparietal; prf, prefrontal; qj, quadratojugal; sq, squamosal; st, supratemporal; t, tabular. Scale bar = 50 mm.