- Edited by William G. Parker, Sidney R. Ash and Randall B. Irmis
- Pages: 187
This is a collection of geology and paleontology technical papers on park-based research presented at a 2006 scientific symposium in honor of the 100th anniversary of the establishment of Petrified Forest National Park. Several new species of Triassic plants and animals are described and named for the first time.
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