Virtual CT models of the Coeruleodraco jurassicus (PKUP V2003) and Philydrosaurus proseilus (PKUP V2001) skulls showing the neomorph: a. C. jurassicus skull in ventral view, arrows denoting the neomorphs (red marked); b. C. jurassicus skull showing the neomorph and surrounding bones in ventral view; c. C. jurassicus skull showing the neomorph and surrounding bones in dorsal view; d. P. proseilus skull in ventral view, arrows denoting the neomorphs (red marked); e. P. proseilus skull showing the neomorph and surrounding bones in ventral view; f. P. proseilus skull shows the neomorph and surrounding bones in dorsal view. Abbreviations: neo, neomorph; op, opisthotic; p, parietal; pt, pterygoid; q, quadrate; sq, squamosal. Scale bars: 10 mm.