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 Date: 2011-02-14 13:35:02Paleozoology Transitional fossils Phyla Sphenacodontidae Dimetrodon Sphenacodontia Cryptovenator Secodontosaurus Sphenacodontoidea Sphenacodonts Pelycosaurs Paleozoic |
| Supporting Online Material R1DocID: 4xXf - View Document |
| Journal of Vertebrate Paleontology 24(1):173–179, March 2004 ᭧ 2004 by the Society of Vertebrate PaleontologyDocID: 4vCo - View Document |
| This article was downloaded by: [Duke University Libraries] On: 06 May 2012, At: 09:59 Publisher: Taylor & FrancisDocID: 4vqK - View Document |
| Recent Advances in the Origin and Early Radiation of Vertebrates G. Arratia, M. V. H. Wilson & R. Cloutier (eds.): pp[removed], 10 figs., 1 tab. © 2004 by Verlag Dr. Friedrich Pfeil, München, Germany – ISBN[removed]XDocID: 39Az - View Document |
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