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 The squamosal and quadratojugal form the posterior margin of the sides of the skull and extend unsculptured portions over the occipital surface, as do these bones in the gymnarthrids and Pantylus. The cheek region is relatively short, with a "tall  The Order Microsauria - Página 13 por Robert Lynn Carroll, Pamela Gaskill - 1978 - 211 páginas Vista completa -
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