pachycephalosaurid love

pachycephalosaurid

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology Any member of the Pachycephalosauridae.

Etymologies

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Examples

  • This synonymy reduces the number of pachycephalosaurid taxa from the Upper Cretaceous of North America and demonstrates the importance of cranial ontogeny in evaluating dinosaur diversity and taxonomy.

    ScienceBlogs Channel : Life Science 2009

  • Now, with a greater number of pachycephalosaurid skulls from the Upper Cretaceous of the Western Interior of North America available for study, and the use of comparative cranial morphology, histology and computer tomography, multiple lines of evidence support our alternative hypothesis that

    PLoS ONE Alerts: New Articles 2009

  • The position of the squamosal horns and nasal nodes are consistent in these four pachycephalosaurid skulls, which increase in overall length and size from youngest (G, H) to oldest (A, B).

    PLoS ONE Alerts: New Articles 2009

  • A coronal histological section of a pachycephalosaurid skull previously referred to

    PLoS ONE Alerts: New Articles 2009

  • This ontogenetic pattern contributed to the naming of some new pachycephalosaurid taxa based on diagnostic characters (large supratemporal fenestrae, squamosal horns, nodal cranial ornamentation, inflated frontoparietal dome) that we demonstrate in this study are, in fact, ontogenetic features that undergo extreme modification as the skull length increases, the cranial vault enlarges and the frontoparietal dome expands.

    PLoS ONE Alerts: New Articles 2009

  • This synonymy significantly reduces the number of Upper Cretaceous pachycephalosaurid taxa.

    PLoS ONE Alerts: New Articles 2009

  • Additionally, woven bone with minimal osteonal deposition is indicative of early osteogenesis, whereas dense Haversian or reconstructed tissues are indicative of later osteogenesis A growth series of Pachycephalosaurus wyomingensis skulls and cranial elements from youngest to oldest, plus two pachycephalosaurid skulls examined in this study.

    PLoS ONE Alerts: New Articles 2009

  • The intrafrontal suture (black arrow) is open internally supporting the subadult status of this pachycephalosaurid.

    PLoS ONE Alerts: New Articles 2009

  • This synonymy reduces the number of pachycephalosaurid taxa from the Upper Cretaceous of North America and demonstrates the importance of cranial ontogeny in evaluating dinosaur diversity and taxonomy.

    PLoS ONE Alerts: New Articles 2009

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