Jurassic Morrison Allosaurus Tooth VF-JC-24-016 Dinosaur Bones The climate during Chinle deposition

The climate during Chinle deposition has been described as humid or subhumid to semiarid

excelsus in 1903

Meade County

Araucarioxylon arizonicum is an extinct species of conifer that is the state fossil of Arizona

serrated teeth

Jurassic Morrison Allosaurus Tooth VF-JC-24-016 Dinosaur Bones The climate during Chinle depositionAllosaurus sp. Morrison Formation Upper Jurassic Moffat County, Colorado Here is an Allosaurus tooth prepared in its original matrix. The tooth is 2. 4 cm long and 1. 2 cm wide at the base of the tooth. The serrations are very good on both the mesial and the distal carinae. There is a prominent ware facet at the tip of the tooth on the exposed lingual aspect. There are very few natural fractures. The tip of the tooth is complete. Some of the natural