Notes on the Permo-Carboniferous Reptile Dimetrodon

  title={Notes on the Permo-Carboniferous Reptile Dimetrodon},
  author={A. Romer},
  journal={The Journal of Geology},
  pages={673 - 689}
1. A nearly complete postcranial skeleton of the Permo-Carboniferous reptile Dimetrodon is described and figured. The structure and possible function of the spines are discussed, and a mechanical explanation for their origin is suggested. The specimen shows Dimetrodon to have been a long-tailed form. The skeleton is restored and a life-restoration given. 2. Models of the probable musculature of the limbs of Dimetrodon are presented. 
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