Neonatal dermatocranium of Ptychoglossus bicolor. (A) Dorsal view. (B) Ventral view. (C) Lateral view. Abbreviations: ec, ectopterygoid; fpf, frontoparietal fenestra; fr, frontal; jg, jugal; md, mandible; mx, maxilla; na, nasal; pa, parietal; pal, palatine; pof, postorbitofrontal; prf, prefrontal; prm, premaxilla; pt, pterygoid; sp, supratemporal; sq, squamosal; vo, vomer. Scale bar: 0.5 mm.