Hidden on the Roof of the World: mitochondrial data reveals exceptional genetic diversity of Himalayan ablepharine skinks (Reptilia: Scincidae)

Bragin, A.M.; Litvinchuk, S.N.; Borkin, L.J.; Melnikov, D.A.; Skorinov, D.V.; Jablonski, D.; Masroor, R.; Lalremsanga, H.T.; Mirza, Z.; Dufresnes, C.; Poyarkov, N.A.

Авторы: Bragin A.M., Litvinchuk S.N., Borkin L.J., Melnikov D.A., Skorinov D.V., Jablonski D., Masroor R., Lalremsanga H.T., Mirza Z., Dufresnes C., Poyarkov N.A.
Журнал: Russian Journal of Herpetology
Том: 31
Номер: 6
Год издания: 2024
Первая страница: 351
Последняя страница: 368
DOI: 10.30906/1026-2296-2024-31-6-351-368
Аннотация: Snake-eyed, or ablepharine skinks, are common residents of the highest mountain ranges on Earth, including the Himalayas, the Tibetan Plateau, Karakoram, Pamir, and Tian Shan, colloquially known as the Roof of the World. Historically, these skinks were alternatively assigned to the genera Scincella, Ablepharus, Asymblepharus, and Himalblepharus, but recent revisions proposed to group them in only two genera, namely Protoblepharus (the eastern Himalayan taxa) and Ablepharus (all other taxa). The taxonomy of this group yet remains in a state of flux due to the limited informativeness of available phylogenies (often with little material from the Himalayan region), discrepancies in morphological patterns of variation, and the potentially high yet unconsidered degree of diversity of the group. To shed some light, we assess the mitochondrial diversity and evolution of Himalayan snake-eyed skinks based on >200 individuals sampled across Pakistan, India, Nepal, and China, representing nine out of ten Himalaya currently recognized species. Phylogenetic relationships were inferred from 2998 bp of mitochondrial sequences (12S, 16S, ND2, cyt b). Our analyses reveal a remarkably high cryptic diversity, including 14 to 16 species-level lineages within Ablepharus and four species-level lineages within Protoblepharus, which would substantially increase the number of species by at least twofold. This hidden diversity highlights the Himalayas as a center of phylogeographic diversification and endemism, likely shaped by geological and climatic factors associated with orogenesis, which now houses over half of the ablepharine skink species.
Добавил в систему: Поярков Николай Андреевич

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Hidden on the Roof of the World: mitochondrial data reveals exceptional genetic diversity of Himalayan ablepharine skinks (Reptilia: Scincidae)статья

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