Examples from the Web for periotic
The tympanic and periotic are not fused together, and the periotic has generally no bony union with the rest of the skull.
The periotic and tympanic are welded together, but not with the squamosal.
The tympanic, periotic and squamosal are ankylosed together.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard
In the higher Vertebrates the periotic cartilages may be developed continuously with the basilar plate (fig. 325).The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
Of these the more posterior on each side represents the exoccipital and all three periotic bones.