Systematic revision of Stegodera Martens, 1876 (Gastropoda, Stylommatophora, Camaenidae), with description of a new genus

Authors: Chen, Zhe-Yu Country: People's Republic of China DOI: 10.3897/zookeys.1059.68385 Published: Jan. 1, 2021 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: 16S rRNA · Topics: Mollusks and Parasites Studies, Parasite Biology and Host Interactions, Aquatic Invertebrate Ecology and Behavior

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The monotypic genus Stegodera Martens, 1876 is systematically revised based on anatomical and morphological examination of freshly collected specimens. A new species from southern Hunan, which resembles Stegodera angusticollis, is confirmed to represent a new genus evidenced by comparative shell morphology and anatomy as well as by molecular phylogenetic analyses. The new genus might be more closely related to Stegodera and Nesiohelix Kuroda & Emura, but differs anatomically from the latter two genera by the absence of a dart apparatus.

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