Reconstructed historical distribution and phylogeography unravels non-steppic origin of Caucasotachea vindobonensis (Gastropoda: Helicidae)Tools Kajtoch, Łukasz, Davison, Angus, Grindon, Adele J., Deli, Tamás, Sramkó, Gábor, Gwardjan, Mariusz, Kramarenko, Sergei, Mierzwa-Szymkowiak, Dominika, Ruta, Rafal, Ścibior, Radosław, Pál Tóth, János, Wade, Chris, Kolasa, Michał, Egorov, Roman V. and Fehér, Zoltán (2017) Reconstructed historical distribution and phylogeography unravels non-steppic origin of Caucasotachea vindobonensis (Gastropoda: Helicidae). Organisms Diversity & Evolution, 17 (3). pp. 679-692. ISSN 1618-1077 Full text not available from this repository.AbstractExisting data on the phylogeography of European taxa of steppic provenance suggests that species were widely distributed during glacial periods but underwent range contraction and fragmentation during interglacials into “warm-stage refugia.” Among the steppe-related invertebrates that have been examined, the majority has been insects, but data on the phylogeography of snails is wholly missing. To begin to fill this gap, phylogeographic and niche modeling studies on the presumed steppic snail Caucasotachea vindobonensis were conducted. Surprisingly, reconstruction of ancestral areas suggests that extant C. vindobonensis probably originated in the Balkans and survived there during the Late Pleistocene glaciations, with a more recent colonization of the Carpatho-Pannonian and the Ponto-Caspian regions. In the Holocene, C. vindobonensis colonized between the Sudetes and the Carpathians to the north, where its recent and current distribution may have been facilitated by anthropogenic translocations. Together, these data suggest a possible non-steppic origin of C. vindobonensis. Further investigation may reveal the extent to which the steppic snail assemblages consist partly of Holocene newcomers.
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