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which are modified for jumping
a dense tropical forest
Araucarioxylon arizonicum is an extinct species of conifer that is the state fossil of Arizona
This specimen probably represents a shed tooth that was replaced by a newly erupting tooth
The matrix contains other fragments of dinosaur bone and the shell fragment of the Jurassic Morrison Formation turtle Glyptops
Jurassic Morrison Allosaurus Tooth VF-JC-24-033 Wooly Mammoth which are modified for jumpingAllosaurus sp. Morrison Formation Upper Jurassic Moffat County, Colorado This is a very attractive example of an Allosaurus tooth prepared in its original matrix. This tooth is 3 cm long and 1. 7 cm wide at the base of the tooth. There are excellent serrations on the distal carina. The serrations on the mesial carina show significant ware. The tip is complete and has a ware facet. There are no filled natural fractures, but the tooth has been