The zygomaticotemporal nerve (zygomaticotemporal branch, temporal branch) is a cutaneous (sensory) nerve of the head. It is a branch of the zygomatic nerve (itself a branch of the maxillary nerve (CN V2)).
The zygomaticotemporal nerve (temporal limb, facial nerve branch) is a sensory nerve located on the head. It originates from the zygomatic nerve, which itself branches off from the maxillary nerve (the second cranial nerve).