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Skull: Broader, more angular and more nearly flat; zygomatic arches more widely spreading; zygomatic processes of maxillae heavier; posterior ends of nasals emarginate rather than rounded; upper incisors longer.

The zygomatic process is apt to be prominent, in keeping with the heaviness of the upper jaw.

Zygoma, zī-gō′ma, n. the arch formed by the malar bone and the zygomatic process of the temporal bone of the skull.—adj.

Also, the zygomatic process of the maxillary, viewed dorsolaterally above the lacrimal, is even narrower that in oricolus and has the anterior border even more concave.

In the horse, it articulates with the zygomatic process of the temporal bone.