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- n. Plural form of pachycephalosaurid.
Sorry, no etymologies found.
We confirm a similar pattern of development and osteohistogenesis in the cranial morphology of the squamosal horns, nodes and frontoparietal dome in the skulls of the pachycephalosaurids
Any hypothesis testing of head butting in pachycephalosaurids, combat in ceratopsids or similar agonistic encounters must take into account the fact that the skulls of these dinosaurs are composed largely of metaplastic tissue.
Cranial histology, morphology and computer tomography reveal patterns of internal skull development that show the purported diagnostic characters for the pachycephalosaurids
Dracorex and Pachycephalosaurus with concurrent lengthening of the skull that ontogenetically separates the three pachycephalosaurids older than
Marginocephalians (pachycephalosaurids + ceratopsids) undergo comparable and extreme cranial morphological change during ontogeny.