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Posted by: CKing at Mon Apr 10 22:37:48 2006 [ Report Abuse ] [ Email Message ] [ Show All Posts by CKing ] Interesting new paper by Conroy et al. 2005, in which they suggest that "Elgaria parva" (originally described as Gerrhonotus parvus but later transferred to Elgaria on the basis of morphological characters) is actually most closely related to Gerrhonotus liocephalus and G. infernalis on the basis of mtDNA. Looking at their tree, it appears that the genera Elgaria and Gerrhonotus (if they are considered a single genus) could be basal to the other more derived taxa such as Barisia, Abronia and Mesapis. Given the fact that G. parvus is morphologically similar to Elgaria but its mtDNA identifies it as a Gerrhonotus, it may be a good idea to simply subsume the genus Elgaria back into Gerrhonotus and recognize the combined genus as a single paraphyletic taxon. Otherwise both Elgaria and Gerrhonotus would be undefinable morphologically. [ Reply To This Message ] [ Subscribe to this Thread ] [ Hide Replies ]
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