Lacunopsis chengjiang Xiang, He, Li & Chen 2025, sp. nov.
Year: 2025
Type: other
Abstract: Lacunopsis chengjiang Xiang, He, Li & Chen, sp. nov. https://zoobank.org/ urn:lsid:zoobank.org:act: BB3B5C1A-A9C7-409D-82BD-007A5CEEDABC Fig. 2 V, Fig. 8 A-C Material examined. Holotype: XHQ 24012201, shell height 4.8 mm, Haijing, Lake Fuxian, Yuxi City, Yunnan Province, China, 24°37′22″N, 102°51′32″E, January 2025, collected by Yue- Ming He, Hong-Quan Xiang and Chong-Ye Li (Fig 1). Paratypes: 2 specimens, XHQ 24012202-03, shell height 5.0–6.0 mm, January 2025, locality and habitat same as holotype. Diagnosis. Shell small, short conical, orange, with four whorls, shell surface with nodules, inner lip with not obvious prominent tooth. Description. Shell small, but solid, short conical, orange, with four whorls, whorls flattish. Whorls sharply carinate at periphery in both young and adult shells. Shell surface with nodules. Apex obtuse. Umbilicus closed. Aperture ovate. Inner lip thickened and smooth, with not obvious prominent tooth; outer lip smooth. Differential diagnosis. In terms of shell morphology, the new species possesses a unique shell characteristic of the Lacunopsis. Its resembles L. yunnanensis from the Yunnan, but L. chengjiang sp. nov. shell surface with nodules, a not obvious prominent tooth near the inner lip. Etymology. The species name "Chengjiang" is derived from the ancient name of the lake where it is located "Chengjianghai". We suggest the Chinese common name as " 澂江ŪŘDz ". Distribution and ecology. This species is only found in the lake sediments of Lake Fuxian in Yuxi, Yunnan Province.
Authors: Xiang, Hong Quan, Lu, Yi Zhi, He, Yue Ming, Li, Chong Ye, Gao, Han, Lv, Ang Song, Chen, Hui
Language: English
Subfield: Insect Science
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7078420671
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