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The quadrate of oviraptorid dinosaurs is strongly pneumatized and differs from the quadrates of other non-avian theropods by: (1) two separate facets on the otic process for contacts with the squamosal and braincase; (2) the articular surface for the pterygoid extended to the articular surface of the medial mandibular condyle; (3) the mandibular process provided laterally with a quadratojugal process...
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