Figure 9 in The exceptionally well-preserved Sauropleura scalaris (Nectridea: Urocordylidae) from the late Carboniferous of the Czech Republic: new information on ontogeny, lateral line and tail

Figure 9. Sauropleura scalaris (Frič, 1875), simplified reconstruction of the posterior region of the skull in dorsal view in the three individuals of different sizes (A–C), showing a varying degree of development of squamosal flanges (dark grey) and caudolateral cheek extensions. The skull reconstructions are based on specimens ÚGV PAL00158 (A), NMP M391 (B) and ZP M122 (C).