Fossilized dinosaur tooth of a Pectinodon inside of a gem jar.

A dinosaur tooth of the troodontid tooth taxon Pectinodon bakkeri from the Hell Creek Formation in Meade County, South Dakota, USA. Unlike the similar cf. Troodon sp., the denticles of Pectinodon do not hook upwards. #FossilFriday

#dinosaur #fossil #paleontology #pectinodon #troodontid #theropod