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Posted by: RSNewton at Thu Aug 7 22:41:58 2003 [ Email Message ] [ Show All Posts by RSNewton ] That is excellent. Utiger et al.'s tree shows Elaphe mandarina and Elaphe conspicillata to be sister species, with strong statistical support (bootstrap values of 100% and 99% using maximum parsimony and neighboring joining methods respectively). They have these species being basal to all other ratsnakes but this part of the tree is poorly supported, with bootstrap values of 47% and 30% using the different methods. Because of the poor statistical support for the base of their tree, their partitioning of the genus Elaphe is weakly supported and unjustifiable. It is almost certain that a future study with differ in tree topography. Therefore it is better to not recognize any of their new and resurrected genera and simply continue to retain all species of Elaphe in Elaphe. | ||
<< Previous Message: RE: Pantherophis, a preliminary review - Terry Cox, Wed Aug 6 11:34:07 2003 | ||
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