I know about the Pangea theory.
http://en.wikipedia.org/wiki/Pangaea
Despite your claims, I think the name Utah-Rapter just sounds little too western or Modern for this sunject.
Perhaps, Euro-Rapter would be a alternative.
It's probably right that the Druid or Drunes may have learned/developed the CORRECT names for these monsters. However, giveing them such a western sounding name still doesn't make sence to me.
http://en.wikipedia.org/wiki/Utahraptor
http://www.tranexp.com:2000/Translate/result.shtml
I know :Latin not be the best example, but when I typed in the word 'Running
-Thief' here, I got 'Cursor-Rapter'' which I think sounds cooler. Though it may be just as wrong to give it that name also.
I think would betterr if the Drunes had come up with other names for these beasts. Though , the fact that it's Utah-Rapter should be pointed out in the explantion, but not in the game.