Figure 4

Anatomy of the holotype skull (IVPP V 12378) of Yonghesuchus sangbiensis Wu, Liu & Li [13]. A. Close-up of the right premaxilla and anterior end of right maxilla in lateral view. B. Close-up of the left premaxilla and anterior end of left maxilla in lateral view. C. Posterodorsal process of the posterior end of the right maxilla in lateral view. D. Left infratemporal region in lateral view. E. Right infratemporal region in lateral view. F. Parabasisphenoid in ventral view. G. Left pterygoid in ventral view. Abbreviations: afen, antorbital fenestra; afo, antorbital fossa; ascm, ascending process of the maxilla; avna, anteroventral process of the nasal; bptp, basipterygoid process; den, dentary; dpjg, dorsal process of the jugal; en, dentary; fna, facet for the nasal; fo, fossae; foafo, accessory fossa within antorbital fossa; gap, gap between the posterodorsal process of the maxilla and the anterior margin of the maxilla into which the anteroventral process of the nasal would have fitted; itf, infratemporal fenestra; jg, jugal; max, maxilla; na, nasal; op, opening between the squamosal, quadrate and quadratojugal; orb, orbit; pdpm, posterodorsal process of the posterior end of the maxilla; pdpp, posterodorsal process of the premaxilla; po/sq, fragments of the postorbital and/or squamosal; pre, premaxilla; ptjg, posterior termination of the jugal; qd, quadrate; qdf, quadrate foramen; qj, quadratojugal; sed, sediment marking a small gap between the postorbital and the squamosal; sq, squamosal; vppo, ventral process of the postorbital.