A Quantitative Analysis of the Ancestral Area of Rattlesnakes

  title={A Quantitative Analysis of the Ancestral Area of Rattlesnakes},
  author={Aaron J. Place and C. Abramson},
  • Aaron J. Place, C. Abramson
  • Published 2004
  • Biology
  • Abstract Establishing the ancestral area of a taxon is a central theme of historical biogeography. We used the cladistic method of ancestral area analysis devised in 1992 by K. Bremer to determine the ancestral area of rattlesnakes (genera Crotalus and Sistrurus). We then extended this approach to determine the vegetation type of the ancestral area. The most probable ancestral area of rattlesnakes is the Madrean Occidental. The most probable vegetation of the ancestral area was pine-oak forest… CONTINUE READING
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