1058
Journal of Paleontology
analysis of intercentra. Thanks to the Petrified Forest Museum Association (PFMA) for providing funding for the NPS intern- ship. Thanks to Y. Haridy (University of Toronto) for assistance with thin-section preparation. Thanks to T. Sulej and an anony- mous reviewer and to the editor, H.-D. Sues for constructive comments that improved the manuscript. This is Petrified Forest National Park Paleontological Contribution No. 47. Any opi- nions, findings, or conclusions of this study represent the views of the authors and not those of the U.S. Federal Government.
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