THE EVOLUTION OF MANUS SHAPE IN SAUROPOD DINOSAURS: IMPLICATIONS FOR FUNCTIONAL MORPHOLOGY, FORELIMB ORIENTATION, AND PHYLOGENY

@inproceedings{Bonnan2003THEEO,
  title={THE EVOLUTION OF MANUS SHAPE IN SAUROPOD DINOSAURS: IMPLICATIONS FOR FUNCTIONAL MORPHOLOGY, FORELIMB ORIENTATION, AND PHYLOGENY},
  author={Matthew F. Bonnan},
  year={2003}
}
Abstract Sauropods have a unique digitigrade and semi-tubular manus whose shape has been used as a synapomorphy that unites most sauropod taxa. The vertical orientation and semi-tubular arrangement of the metacarpals suggest the sauropod manus improved the mechanical ability of the forelimb to support great weight. However, the evolutionary mechanism responsible for modifying the relatively flat metacarpus of basal saurischians into a semi-tubular arrangement has remained uninvestigated… Expand
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