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Two new species of the genus Indoartemon (Gastropoda: Stylommatophora: Streptaxidae) from Northwestern Vietnam

100%
Sang D. D., Son N. T.
Folia Malacologica
|
2020
|
tom 28
|
nr 2
2

Description of a new species of the genus Aselliscus (Chiroptera, Hipposideridae) from Vietnam

61%
Tu V. T., Csorba G., Gorfol T., Arai S., Son N. T., Thanh H. T., Hasanin A.
Acta Chiropterologica
|
2015
|
tom 17
|
nr 2
Trident bats found in mainland Southeast Asia are currently subsumed into a single species, Aselliscus stoliczkanus. In this study, we examined morphological and genetic data from different populations from Southeast Asia, with a special focus on specimens from Vietnam. Our analyses support the existence of a further species of Aselliscus in northeastern Vietnam that separated from A. stoliczkanus sensu lato (s.l.) during the late Miocene. Within the latter taxon, we identified five geographic lineages that diverged from each other during the Plio-Pleistocene epoch. Some of them may also correspond to further separate taxa, but additional molecular and morphological data are needed to test this hypothesis. Herewith, based on the combined evidences we describe the northeastern Vietnamese population as a separate species.
3

A new species of the genus Murina (Chiroptera: Vespertilionidae) from the Central Highlands of Vietnam with a review of the subfamily Murininae in Vietnam

51%
Son N. T., Csorba G., Tu V. T., Thong V. D., Wu Y., Harada M., Oshida T., Endo H., Motokawa M.
Acta Chiropterologica
|
2015
|
tom 17
|
nr 2
The subfamily Murininae has high species diversity in Vietnam, but taxonomic studies are limited. In this paper, we describe a new species of the genus Murina based on a specimen collected from Ngoc Linh Nature Reserve, Kon Tum Province in the Central Highlands of Vietnam. It is a medium-sized species with ‘suilla-type’ dentition. A taxonomic review of Murininae from Vietnam was also conducted based on combined morphological, DNA, and karyological characteristics. Molecular phylogenetic analyses based on the mitochondrial cytochrome c oxidase subunit (COI) gene supported the subfamily Murininae, while the genus Murina proved to be paraphyletic in relation to the genera Harpiocephalus and Harpiola. Fourteen species of the genus Murina, one species of Harpiocephalus, and one species of Harpiola are recognized from Vietnam. Murina tiensa is regarded as a junior synonym of M. harrisoni; strong sexual dimorphism was observed in M. harrisoni. Relations between forearm length and total length of skull showed different trends among species and sexes. Karyotypes of Murina huttoni, M. cyclotis, M. lorelieae, M. beelzebub, M. feae, and Harpiola isodon were 2n = 44, FN = 50, while that of Harpiocephalus harpia was 2n = 44, FN = 52.
4

Description of a new species of Myotis (Vespertilionidae) from Vietnam

51%
Son N. T., Gorfol T., Francis C. M., Motokawa M., Estok P., Endo H., Thong V. D., Dang N. X., Oshida T., Csorba G.
Acta Chiropterologica
|
2013
|
tom 15
|
nr 2
During the examination of a series of specimens, formerly referred to Myotis montivagus, recently collected in Vietnam and Lao PDR, we found that they differ in several important ways from any species formerly included in M. montivagus. We describe them as a new species characterised by a relatively long forearm, moderately long ears, flat cranial profile and wide anteorbital bridge. Based on characters classically used to separate the ‘subgenera’ of Myotis the new species shows affinities to both the nominate subgenus ‘Myotis’ and ‘Selysius’. Our morphological investigations support recent phylogenetic analyses showing that the former ‘subgenera’ of Myotis are in fact paraphyletic groups, even within Southeast Asia. Nevertheless, many of the external and craniodental features formerly used to separate these subgenera provide a practical means of grouping species. Using these characters we provide an identification key to identify the new species, as well as other currently recognized medium and large sized, small-footed Myotis species from the Indomalayan Region.
5

A new species of Kerivoula (Chiroptera: Vespertilionidae) from Southeast Asia

42%
Bates P. J. J., Struebig M. J., Hayes B. D., Furey N. M., Mya Mya K., Thong V. D., Tien P. D., Son N. T., Harrison D. L., Francis C. M., Csorba G.
Acta Chiropterologica
|
2007
|
tom 09
|
nr 2
A new species of Kerivoula is described from Seima Biodiversity Conservation Area, Cambodia. It is widely distributed in mainland Southeast Asia, with referred material from 12 additional localities in Myanmar, Thailand, Lao PDR and Vietnam. Superficially similar to Kerivoula flora, it is distinguished by its flattened skull, a character shared with the larger, recently described, Kerivoula kachinensis. It is known from a variety of habitat types, both pristine and disturbed, including deciduous dipterocarp forest, moist evergreen and semi-evergreen forest, forest on limestone karst and upper montane forest.
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