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. 2017 Jun 8:(679):21-28.
doi: 10.3897/zookeys.679.13326. eCollection 2017.

Erhaia Davis & Kuo (Gastropoda, Rissooidea, Amnicolidae) also in Bhutan

Edmund Gittenberger  1 , Sherub Sherub  2 , Björn Stelbrink  3
Affiliations

Erhaia Davis & Kuo (Gastropoda, Rissooidea, Amnicolidae) also in Bhutan

Edmund Gittenberger et al. Zookeys. .

Abstract

The occurrence of at least one species of Erhaia in Bhutan, viz. Erhaia wangchukisp. n., is confirmed by DNA sequencing. A second unnamed species from Bhutan, that might be congeneric, is known from only a single shell. According to the molecular analysis, E. wangchuki is most closely related to a still undescribed Erhaia species from China. These two species together with E. jianouensis and Akiyoshia kobayashii, both also from China, form a well supported clade. Awaiting additional molecular data, the apparent inconsistency regarding Erhaia versus Akiyoshia is not dealt with here. The extant true sister species of E. wangchuki could be among the four SE Himalayan species from Bhutan and Nepal that are classified with Erhaia on the basis of conchological data only.

Keywords: 16S; Akiyoshia; Bhutan; Erhaia; Nepal; distribution; taxonomy.

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Figures

Figure 1.
Figure 1.
Erhaia wangchuki sp. n., sequenced paratype; scale bar 0.5 mm (photographs by B.S.); Bhutan, district Wangdue Phodrang, Gangchhu, 2883 m alt.; 27°26'N, 90°11'E; Jigme Wangchuk leg. 21.iii.2015.
Figure 2.
Figure 2.
Erhaia wangchuki sp. n., holotype NBCB1013, measurements 2.15×1.77 mm (photographs by E.G.); Bhutan, district Wangdue Phodrang, Gangchhu, 2883 m alt.; 27°26'N 90°11'E; Jigme Wangchuk leg. 21.iii.2015.
Figure 3.
Figure 3.
Erhaia spec., measurements c. 2.0×1.35 mm (photograph by E.G.). Bhutan, district Thimphu, 4.5 km E of Chuzom, W of Genekha, 2750 m alt.; 27°19'N 89°36'E; E. Gittenberger leg. 21.vi.2012.
Figure 4.
Figure 4.
Maximum likelihood tree based on the 16S rRNA dataset of Liu et al. (2014). Numbers on branches denote bootstrap values >50.
Figures 5–7.
Figures 5–7.
The Gangzetem brooklet (5), with the watertank at the source (6), and the site where the brooklet crosses the road (7). Photographs by Damber Bdr Chhetri.
See this image and copyright information in PMC

References

    1. Davis GM, Kuo Y-H, Hoagland KE, Chen P-L, Yang H-M, Chen D-J. (1985) Erhaia, a new genus and new species of Pomatiopsidae from China (Gastropoda: Rissoacea). Proceedings of the Academy of Natural Sciences of Philadelphia 137: 48–78. http://www.jstor.org/stable/4064860
    1. Davis GM, Kang ZB. (1995) Advances in the Systematics of Erhaia (Gastropoda: Pomatiopsidae) from the People’s Republic of China. Proceedings of the Academy of Natural Sciences of Philadelphia 146: 391–427. http://www.jstor.org/stable/4065020
    1. Davis GM, Rao S. (1997) Discovery of Erhaia (Gastropoda: Pomatiopsidae) in northern India with description of a new genus of Erhaiini from China. Proceedings of the Academy of Natural Sciences of Philadelphia 148: 273–299. http://www.jstor.org/stable/4065055
    1. Liu L, Huo G-N, He H-B, Zhou B, Attwood SW. (2014) A phylogeny for the Pomatiopsidae (Gastropoda: Rissooidea): a resource for taxonomic, parasitological and biodiversity studies. BMC Evolutionary Biology 14: 29. https://doi.org/10.1186/1471-2148-14-29 - DOI - PMC - PubMed
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