Skulls (ventral view) and lower jaws (dorsal view) of (A) larval and (B) adult Pleurodeles waltl. art, articular; CH, choana; cor, coronoid; dent, dentary; exoc, exoccipital; max, maxilla; OC, otic capsula; osph, orbitosphenoid; palpt, palatopterygoid; pmax, premaxilla; prart, prearticular; pro, prootic; prsph, parasphenoid; pt, pterygoid; q, quadrate; qj, quadratojugal; sq, squamosal; v, vomer.