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Pachycephalosauridae |
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Pachycephalosauridae [‚pak·ə‚sef·ə·lə′sȯr·ə‚dē]
(paleontology) A family of ornithischian dinosaurs characterized by a skull with a solid rounded mass of bone 4 inches (10 centimeters) thick above the minute brain cavity. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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