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2. BALLEW , K. L. 1986 A phylogenetic analysis of Phytosauria (Reptilia: Archosauria) from the Late Triassic of the western United States Unpublished MA thesis University of California
3. General stratigraphy of the Petrified Forest National Park, Arizona;BILLINGSLEY;Bulletin of the Museum of Northern Arizona,1985
4. Phytosaur remains (Reptilia, Thecodontia) from the Upper Triassic of North-Eastern Thailand;BUFFETAUT;Géobios,1982