The holotype YPM VPPU 022404 consists of an incomplete skull which includes postorbital horns, parts of the frontals, prefrontals, and lacrimals, parts of the right squamosal and parietals, the occipital condyle and parts of the supraoccipital. Several other specimens are known which have similar squamosal bones, but all are very incomplete. Judiceratops shows a distinctive combination of characters, not seen in any previously described ceratopsid. Its frill (parietal bone) has a broad midline bar, a rounded caudal margin, and highly reduced osteoderms (bony projections) on the rear edge of the frill, the epiparietals. The osteoderms which project from the side of the frill and formed by the squamosal (episquamosals), are enlarged forward but decrease in size towards the back. The postorbi