375 research outputs found

    Kontschania tetragyra n. gen. & sp. from Laos (Gastropoda: Cyclophoroidea: Diplommatinidae)

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    Varga András 70 éves

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    Revision of the Alycaeidae of China, Laos and Vietnam (Gastropoda: Cyclophoroidea) II: The genera Alycaeus and Pincerna

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    This is the second part of the revision of Chinese, Lao and Vietnamese Alycaeidae (superfamily Cyclophoroidea), and covers the genera Alycaeus and Pincerna. Three new species are described: Alycaeus goliath Páll-Gergely, n. sp. (central Laos), Pincerna acroptychia n. sp. (Ha Giang Province, northern Vietnam), Pincerna viginticostatus n. sp. (Lạng Sơn Province, northern Vietnam). Pincerna vallis Z.-Y. Chen & M. Wu, 2020 is treated as a junior synonym of Pincerna costulosus (Bavay & Dautzenberg, 1912), and Pincerna clausus D. S. Do & T. S. Nguyen, 2022 as a synonym of Pincerna vanbuensis (Bavay & Dautzenberg, 1900)
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