. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 6. Proganochelys quenstedti, Stuttgart skull. Upper: anterior view. Lower: posterior view. (Courtesy of the Stuttgart Museum). 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum

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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology