Fig. 4. A in New skulls of the basal sauropodomorph Plateosaurus trossingensis from Frick, Switzerland: Is there more than one species?

Fig. 4. A. Skull of Plateosaurus trossingensis (MSF 11.4) from the Triassic of Frick, Switzerland. Photograph of the right side (A1) and interpretative diagram (A2); ambient occlusion of the 3D-model of the right side (A3) and interpretative diagram (A4); photograph in dorsal view (A5) and interpretative diagram (A6). B. The jugal-quadratojugal articulation as seen in GPIT-PV-30784 from Trossingen. Abbreviations: an, angular; cb, ceratobranchial; d, dentary; f, frontal; j, jugal; l, lacrimal; mx, maxilla; na, nasal; p, parietal; pf, prefrontal; pmx, premaxilla; po, postorbital; pra, prearticular; q, quadrate; qj, quadratojugal; sa, surangular; sq, squamosal.