1.48" Nanotyrannus Tooth - Montana

This is a very nice 1.48" long Tyrannosaur premax tooth of the genus Nanotyrannus lancensis from the Hell Creek Formation of Montana. This is pretty good sized for a nano tooth, as they average about an inch in length. The enamel is good shape on one side, with some root etching on the reverse side. There is some natural feeding wear to the tip and uneven wear on the serrations. There is one repair near the tip and a small gap fill on one side where the repair is.

There is a hot debate among paleontologists about whether Nanotyrannus and Tyrannosaurus rex (T-Rex) are really the same species, with Nanotyrannus representing juveniles. Recent finds that are soon to be published should put this debate to rest, definitively proving that Nanotyrannus is in fact a separate genus and valid genus. Nano teeth tend to be much more finely serrated, and much thinner/blade like t-rex teeth, in addition to being smaller.