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An underground burst of diversity - a new look at the phylogeny and taxonomy of the genus Talpa Linnaeus, 1758 (Mammalia: Talpidae) as revealed by nuclear and mitochondrial genes

Год: 2015

Авторы: Bannikova A.A., Zemlemerova E.D., Colangelo P., Sozen M., Sevindik M., Kidov A.A., Dzuev R.I., Krystufek B., Lebedev V.S.

Издание: Zool. J. Linn. Soc. V. 175. No 4. P. 930–948.

Using both nuclear and mitochondrial sequences, we demonstrate high genetic differentiation in the genus Talpa and confirm the existence of cryptic species in the Caucasus and Anatolia, namely, T. talyschensis Vereschagin, 1945, T. ognevi Stroganov, 1948, and Talpa ex gr. levantis. Our data support four clades in the genus Talpa that showed strong geographical associations. The ‘europaea’ group includes six species from the western portion of the genus’ range (T. europaea, T. occidentalis, T. romana, T. caeca, T. stankovici, and T. levantis s.l.); another three groups are distributed further east: the ‘caucasica’ group (Caucasus), the ‘davidiana’ group (eastern Anatolia and Elburz) and T. altaica (Siberia). The phylogenetic position of T. davidiana was highlighted for the first time. The order of basal branching remains controversial, which can be attributed to rapid diversification events. The molecular time estimates based on nuclear concatenation estimated the basal divergence of the crown Talpa during the latest Miocene. A putative scenario of Talpa radiation and issues of species delimitation are discussed

Тэги: Caucasus, cryptic diversity, mole, molecular dating, nuclear genes, phylogenetics, species delimitation, Turkey