Slugs and semi-slugs of the superfamily Helicarionoidea (Gastropoda, Stylommatophora) collected in North Vietnam during the 2023 Bulgarian Zoological Expedition, with emphasis on the genus Ostracolethe

Authors: Dedov, Ivailo DOI: 10.3897/zookeys.1249.155684 Published: Jan. 1, 2025 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Biodiversity · Topics: Mollusks and Parasites Studies, Invertebrate Taxonomy and Ecology, Cephalopods and Marine Biology

A list of species of slugs and semi-slugs of the superfamily Helicarionoidea collected in North Vietnam in 2023 is presented. A new species of the genus Ostracolethe Simroth, 1901, Ostracolethe penevi Dedov & Vu, sp. nov., is described, which was collected from a single locality in North Vietnam. The validity of Ostracolethe fruhstorfferi Simroth, 1901 is confirmed, and the unusual torus-toroid structure is discussed. A key for the determination of the helicarionoid genera of slugs and semi-slugs from North Vietnam is also provided.

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