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RESEARCH PRODUCT
Temporal speciation pattern in the western Mediterranean genus Tudorella P. Fischer, 1885 (Gastropoda, Pomatiidae) supports the Tyrrhenian vicariance hypothesis.
Errol VélaRuth JesseMiren Arantzazu ElejaldeFabio LibertoMarkus PfenningerFrédéric MagninAlberto Martínez-ortísubject
Cell NucleusPhylogenetic treeGeographyModels GeneticLand bridgeEcologyGenetic SpeciationMediterranean RegionSnailsDisjunct distributionLand snailBayes TheoremSequence Analysis DNABiologyDNA MitochondrialEvolution MolecularTaxonGenusGeneticsVicarianceBiological dispersalAnimalsMolecular BiologyEcology Evolution Behavior and SystematicsPhylogenydescription
The land snail genus Tudorella shows a peculiar disjunct distribution around the western Mediterranean coasts. Despite high phenotypic plasticity, only two species with a disputed number of subspecific taxa are currently recognised. We delimited the species with mitochondrial (COI & 16S) and nuclear (ITS-1) markers based on the unified species concept and suggested that there are eight species in the genus, two of them currently undescribed. Applying Bayesian phylogenetic model selection, we tested four different biogeographic hypotheses that could be causal for the current distribution pattern of extant Tudorella species. A scenario involving vicariance events resulting from the repeated splits of the Tyrrhenian plate with subsequent dispersal events over land bridges during the Pliocene received greatest support in the data.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2009-04-25 | Molecular phylogenetics and evolution |