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| Burbrink, F. T., and R. Lawson. 2007. How and when did Old World rat snakes disperse into the New World? Molecular Phylogenetics and Evolution 43:173–189. |
2
|
2087
| Dowling, H. G., and L. R. Maxson. 1990. Genetic and taxonomic relations of the short-tailed snakes, genus Stilosoma. Journal of Zoology, London 221(1):77–86. |
3
|
9044
| Pyron, R. A., and F. T. Burbrink. 2009. Neogene diversification and taxonomic stability in the snake tribe Lampropeltini (Serpentes: Colubridae). Molecular Phylogenetics and Evolution 52:524–529. |