See Kogaionon for the mammal genus from the Upper Cretaceous

Kogaion was the mythical holy mountain of the Dacians, the place where Zalmoxis stayed in a underground cave for three years.

One translation of Kogaion is the "sacred mountain", which would be connected to a probable Dacian word Kaga, that meant 'sacred'. Others think it may have meant the "hidden mountain".

Its localization is still under debate, but thought to be either the in the area around the Dacian capital Sarmizegetusa or the Ceahlau mountain.