Koparion was a (unknown). It lived in the Jurassic period and inhabited North America. Its fossils have been found in places such as Colorado.

All the Koparion illustrations below were collected from the internet. Enjoy and explore:

Koparion was described by the following scientific paper(s):
  • D. J. Chure. 1994. Koparion douglassi, a new dinosaur from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument; the oldest troodontid (Theropoda: Maniraptora). Brigham Young University Geology Studies 40:11-15