Cranial morphology of Ingerophrynus chrysolophus sp. nov.: adult female, paratype ZMMU A-8032 (A–C); adult male, paratype ZMMU A-8059 (D–F), visualized via micro-CT scanning. Skulls are shown in dorsal (A, D), ventral (B, E), and lateral (C, F) aspects. For the lateral views only, the left half of the cranium is shown. Abbreviations: nas – nasal, sphen – sphenethmoid, prsph – parasphenoid, prm – premaxilla, smx – septomaxilla, pal – palatine, vom – vomer, max – maxilla, pt – pterygoid, fp – frontoparietal, qj – quadratojugal, soc – supraorbital crest, sq – squamosal, stc – supratympanic crest, pro – prootic, exoc – exoccipital, st – stapes, mnm – mentomeckelian, dnt – dentary, ansp – angulosplenial. Visualization by D.V. Arkhipov and V.A. Gorin. Scale bar: 5 mm; all pictures are to scale.