Osteology of the holotype of Rhombophryne longicrus, ZSM 1630/2012. Skull in (a) lateral, (b) dorsal, and (c) ventral view. Skeleton in (d) dorsal and (e) ventral view. Note: figures display only calcified structures; cartilages are omitted due to limitations of micro-CT scanning. Abbreviations: angspl = angulosplenial, col = columella, exoc = exoccipital, fpar = frontoparietal, max = maxillary, mmk = mentomeckelian, pmax = premaxilla, povom = postchoanal vomer+neopalatine, proot = prootic, prsph = parasphenoid, prvom = prechoanal vomer, pter = pterygoid, qj = quadratojugal, smax = septomaxilla, spheth = sphenethmoid, sq = squamosal.