. Carnegie Institution of Washington publication. PELYCOSAURIA PLATE 1. Figs. 1 to 8. Poliosaurus uniformis. Figs. 9 to 13. Poliosaurus sp. Figs. 14 and 15. Pleuristion Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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