Tholians

They were hate ful to all races of Aliens. Their government was in the order of an assembly. The Vulcan High Command had little contact with them. They were a faction that began the Temporal Cold War.

This species was an extremely xenophobic,  non - humanoid race with a tendency for precision which was headed by an assembly. During the mid - twenty second century the Vulcan High Command had very brief contact. This was the faction involved in the Temporal Cold War.