Koleken was a carnivore. It lived in the Unknown period and inhabited South America. Its fossils have been found in places such as Argentina.

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

Koleken was described by the following scientific paper(s):
  • Z. Gasparini, J. Sterli, and A. Parras, J. P. O.'Gorman, L. Salgado, J. Varela, D. Pol. 2015. Late Cretaceous reptilian biota of the La Colonia Formation, central Patagonia, Argentina: occurrences, preservation and paleoenvironments. Cretaceous Research 54:154-168