1. 
   Purgatorius
   Currently it is considered one of the few plesiadapiform mammals primitive enough to have possibly given rise to both the plesiadapiformes and the higher primates. Though its classification below the superorder Euarchonta remains uncertain, dental evidence and molar morphology indicate a close link...
   Found op http://en.wikipedia.org/wiki/Purgatorius
   
   
2. 
   Purgatorius
   (from the article `primate`) ...65 million years ago (Late Cretaceous Epoch) by the discovery in Montana, U.S., of five teeth, representing two species of insectivore-like ...
   Found op http://www.britannica.com/eb/a-z/p/134
   
   

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