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Evolution and biogeography of the genus Tarentola (Sauria: gekkonidae) in the Canary Islands, uinferred from mitochondrial DNA sequences

AuthorsNogales, Manuel ; López Valero, Manuela; Jiménez-Asensio, José; Larruga, J. M.; Hernández, Mariano; González, Pedro
Gekkonidae phylogeny
Canary Islands
Issue Date1998
PublisherEuropean Society of Evolutionary Biology
CitationJournal of Evolutionary Biology 11: pp. 481-494 (1998)
AbstractSequences from fragments of the 12S ribosomal RNA and cytochrome b mitochon drial genes were used to analyze phylogenic relationships among geckos of genus Tarentola from the Canary Islands. A surprisingly high level of within island differentation was found in T. delalandii in Tenerife and T. boettgeri in Gran Canaria. Molecular differentation between populations of T. angustimentalis on Lanzarote and Fuerteventura, and between Moroccan and Iberian Peninsula T. mauritanica, also indicate that at least two suspecies should be recognized within each of therm. Phylogenetic relationships among these species reveals a higher level of differentiation and a more complex colonization pattern than those found for the endemic genus Gallotia. Lack of evidence for the presence of T. boettgeri bischoffi on the island of Madeira does not seem to support the origin of T. delalandii, T. gomerensis and the canarian subspecies of T. bottgeri from this island, whereas molecular data confirms that T. angustimentalis is a sister species of the continental T. mauritanica. Several independent colonization events from the continent aand the extinction of some species are probably respponsible for the current distribution of Tarentola in the Canary Islands.
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