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Two new species of the genus Stemmatopsis J. Mabille, 1887 (Gastropoda: Stylommatophora: Streptaxidae) from Vietnam and Laos
Do, D.S. (2021). Two new species of the genus Stemmatopsis J. Mabille, 1887 (Gastropoda: Stylommatophora: Streptaxidae) from Vietnam and Laos. Ruthenica 31(1): 21-25
In: Ruthenica = Russian Malacological Journal. VTK Ruthenica: Moskva. ISSN 0136-0027; e-ISSN 2307-7336, more
Peer reviewed article  
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Keywords
    Stemmatopsis Mabille, 1887 [WoRMS]
    Terrestrial
Author keywords
    taxonomy; Stemmatopsis; new species; Vietnam; Laos
Author  Top 
  • Do, D.S.
Abstract
    The terrestrial snail genus Stemmatopsis is mainly distributed in northern Vietnam and northern Laos. In total five species of Stemmatopsis are discovered, including two described herein. Stemmatopsis arcuatolabris sp. nov. has a small distorted-ovate shell with last whorl protruded quite strongly from ventral side. It has a thickened, expanded peristome with bended palatal side having a bow-like shape. Stemmatopsis dolium sp. nov., has a small, oblique-ovate shell, an approximately quadrangular aperture, and a wave-like shape at the palatal side of peristome.
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