Given that one of the main reasons the Ranx broke off was that they despised the Teraton infestation, the Ranx and Teratons should be hostile to each other, or at least return fire when fired upon.

wolfy 31 Mar 2015:

Teratons lack their own sovereign and are assigned to the generic 'neutral' faction

nms 23 Jul 2018:

Teratons are neutral but do have their own sovereign now. If this enmity is still canonical, it would be easy to implement.