What is special about the skulls of Lagomorphs? Sagittal crest The skull is fenestrated Deeply roted molars Incomplete zygomatic arch Solution special about the skulls of Lagomorphs is The skull is fenestrated Explination= in case of Lagomorphs on various places on skull surface ,the bone is exceedingly porous or perforated & this screen like structure is called fenestrae or with windows.