Figure 2 in The record of Torosaurus (Ornithischia: Ceratopsidae) in Canada and its taxonomic implications

Figure 2. Parietosquamosal frill of Torosaurus cf. T. latus (EM P16.1.). A, dorsal surface; B, interpretive reconstruction of dorsal surface; C, schematic transverse cross-section of squamosal near caudal edge, based on sketch by H. Jones; D, schematic of frill, showing paired fossae and channels on ventral surface of squamosals, based on sketch by H. Jones. Abbreviations: p, parietal; pf, parietal fenestra; sq, squamosal; sqaf, accessory fenestra of squamosal; sqb, squamosal bar.