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Título

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

AutorNogales, Manuel ; López Valero, Manuela; Jiménez-Asensio, José; Larruga, J. M.; Hernández, Mariano; González, P.
Palabras clavemtDNA
Tarentola
Gekkonidae phylogeny
biogeography
Canary Islands
Fecha de publicación1998
EditorEuropean Society of Evolutionary Biology
CitaciónJournal of Evolutionary Biology 11: pp. 481-494 (1998)
ResumenSequences 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.
URIhttp://hdl.handle.net/10261/22206
ISSN1420-9101 (Online)
1010-061X (Print)
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