• DOI:10.1111/j.1558-5646.1997.tb02402.x
Corpus ID: 22032248

A PHYLOGENETIC ANALYSIS OF BODY SIZE EVOLUTION AND BIOGEOGRAPHY IN CHUCKWALLAS (SAUROMALUS) AND OTHER IGUANINES

@article{Petren1997APA,
  title={A PHYLOGENETIC ANALYSIS OF BODY SIZE EVOLUTION AND BIOGEOGRAPHY IN CHUCKWALLAS (SAUROMALUS) AND OTHER IGUANINES},
  author={K. Petren and T. Case},
  journal={Evolution},
  year={1997},
  volume={51}
}

K. Petren, T. Case

Published 1997

Biology, Medicine

Evolution

The evolution of body size was reconstructed in chuckwallas (genus Sauromalus), large herbivorous lizards of southwest North America, using a phylogeny derived from sequence variation in the mitochondrial cytochrome b gene. The body mass of two endemic island species (S. hispidus and S. varius) is typically fivefold larger than mainland species. We tested the hypothesis that large body size has evolved on these islands in response to local ecological conditions against the alternative… CONTINUE READING

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