How on earth would they know if it was a vegetarian? Did they find tofu pups and carrot stalks next to the body?
Its other teeth seemed to be of the grinding variety like plant eaters. The suggest that the teeth may have been defensive, or perhaps part of sexual display. I am going to guess they may have been used to rake into the earth for roots. At any rate these seem to have been Permian protomammalian/reptiles that showed great promise, but were wiped out by whatever caused the great Permian extinction, leaving the field to the early dinosaur types.
SC here is an interesting link you might want to post separately, a hot tea temperature brown dwarf star:
http://www.aolnews.com/2011/03/24/astronomers-discover-coldest-star-ever-video/?ncid=webmail