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 whiskers, a mammalian characteristic. Its teeth w
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Thrinaxodon

extinct genus of cynodont, a close mammal relative, found as fossils in continental deposits formed during the Early Triassic Period in southern ...
Found on http://www.britannica.com/eb/a-z/t/45
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