.9" Nanotyrannus Tooth - South Dakota

This is a small .9" long Tyrannosaur tooth of the genus Nanotyrannus lancensis from the Hell Creek Formation of Montana. It has pretty good enamel preservation. The serrations are worn, but most are still visible. Comes in an acrylic display case.

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.