1. 
   Thrinaxodon
   Thrinaxodon was a genus of cynodont that lived during the Triassic Period (248-245 million years ago) notable for being a transitional fossil. The two known species ranged in size from that of a small badger (50 cm) to ermine-sized (30 cm long) therapsid. Pits on the skull suggest that Thrinaxodon ...
   Found op http://en.wikipedia.org/wiki/Thrinaxodon
   
   
2. 
   Thrinaxodon
   (pronounced thrin-AX-ah-DON) Thrinaxodon was a cat-sized cynodont , an ancestorpp of the mammals, but not a mammal itself. Thrinaxodon was not a dinosaur. This therapsid lived during the late Trias sic period, roughly 240 million years ago. Small holes in the snout bones suggest that it may have had...
   Found op http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
   
   
3. 
   Thrinaxodon
   extinct genus of cynodont, a close mammal relative, found as fossils in continental deposits formed during the Early Triassic Period in southern ...
   Found op http://www.britannica.com/eb/a-z/t/45
   
   

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