n African Journal of Herpetology - Phylogenetic relationships of southern African geckos in the Group (Squamata : Gekkonidae) : original article

Volume 54, Issue 2
  • ISSN : 2156-4574
  • E-ISSN: 2153-3660
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and its close relatives constitute the most species-rich component of the southern African gekkonid fauna. We conducted a phylogenetic analysis of mitochondrial (cyt, 12S rRNA, 16S rRNA) and nuclear (RAG-1) gene sequences for these geckos. form the sister group to the remaining taxa, and we resurrect the genus to accommodate these two basal species. The group is sister to , and is here transferred to the latter genus. is the sister species of and is transferred to that genus. All remaining taxa - including the group, the 'small-bodied' , and - form a well-supported monophyletic assemblage recognised herein as . The major clades within include the , and groups, as well as a diverse "northwestern group" that occurs chiefly in northern Namibia and southern Angola. The finescale regional endemism apparent among members of the southern African Group probably reflects an interplay between substrate specialisation and vicariant events (both geologically and climatically associated) since at least the Miocene. Explicit phylogenies for , cordylid lizards, scorpions, and other taxa provide a basis for the first fine-scaled analytical biogeographic analysis of southern Africa.

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