Multi-locus phylogeny and species delimitations of the striped-back shrew group (Eulipotyphla: Soricidae): Implications for cryptic diversity, taxonomy and multiple speciation patterns

Chen, Shunde; Tang, Keyi; Wang, Xüming; Li, Fengjun; Fu, Chengxin; Liu, Yang; Faiz, Abu ul Hassan; Jiang, Xuelong; Liu, Shaoying

doi:10.1016/j.ympev.2022.107619

Cited by 3 publications

(2 citation statements)

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“…The distribution of P. latimaxillata unlikely extends eastward or northward as there are no suitable habitats—the species may have a restricted distribution in Dabie Mountains, far apart from the other Asiatic short-tailed shrews. This discontinuous distribution pattern is similar to that of two other new species in the Order Eulipotyphla recently discovered in the Dabie Mountains—the shrew-like mole Uropsilus dabieshanensis Hu et al, 2021 and the nectogaline shrew Chodsigoa dabieshanensis Chen et al, 2022 (Hu et al 2021; Chen et al 2022). Parablarinella latimaxillata is genetically and morphologically distinctive from all the other Asiatic short-tailed shrews.…”

Section: Discussionsupporting

confidence: 85%

“…We observed incongruences between the APOB gene tree and other gene trees (). Such incongruence appears to be widespread and may be explained by one of several hypotheses—including recent hybridization and introgression, rapid speciation, and incomplete lineage sorting (He et al 2010; Chen et al 2022; Zhang et al 2022). Under recent hybridization and introgression, different species would share many sequences (Chen et al 2017).…”

Section: Discussionmentioning

confidence: 99%

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Molecular and morphological evidence support a new species of Asiatic short-tailed shrew (Eulipotyphla: Soricidae)

Chen,

Hu,

et al. 2023

Journal of Mammalogy

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Asiatic short-tailed shrews (Blarinella and Parablarinella) are small insectivorous mammals distributed mainly in central and southwestern China, and adjacent Myanmar and Vietnam, currently comprising three species. In 2021, we collected five specimens of Asiatic short-tailed shrews in the Dabie Mountains, eastern China, which is geographically distant from the known distribution of the taxa. Herein, we integrated molecular and morphometric approaches to assess the taxonomy, phylogeny, and divergence of Asiatic short-tailed shrews. Our results indicate that the specimens collected from Dabie Mountains represent a new species, formally described here. The new species is morphologically distinguishable from other Asiatic short-tailed shrews by the combination of a triangular upper P4, lighter feet color, relatively broader skull, and more curved outline of tooth row of P4–M3. Phylogenetic analyses indicate the new species is sister to P. griselda, and the p-distance of Cyt b between the two species is 8.3%. The divergence between the new species and P. griselda occurred ca. 3.08 million years ago and may have been affected by East Asia’s topographic and climate changes in the late Pliocene.

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