Zhe-Yu CHEN 陈哲宇 & Zhong-Guang CHEN 陈重光

Abstract: Cheniena cheni gen. & sp. nov. is described from Sichuan Province, southwest China. This new genus is distinguished by its conical shell, open umbilicus, and the structure of its apertural barriers. Cheniena cheni sp. nov. is diagnosed by its distinct keel among all other enids. The genitalia of this new species are revealed for comparison with other species. Cheniena huangi (Chen, 2020) comb. nov. can be reassigned to the new genus according to the shell morphology.

Keywords: dry-hot valley, land snail, morphology, new taxa, taxonomy

摘要：本文描述了产自四川省的一新属新种：仙境锥纳螺 Cheniena cheni gen. & sp. nov.。该新属以其锥形贝壳、开放的脐孔以及口缘障壁结构而区别于其他类群。仙境锥纳螺以其在所有已知烟管螺科物种中独特的壳脊为主要鉴别特征。本文还揭示了该新种的生殖系统结构，并与相关类群进行了比较。根据贝壳形态特征，黄氏锥纳螺 Cheniena huangi (Chen, 2020) comb. nov. 应归入该新属。

关键词：干热河谷 陆生贝类 形态学 新阶元 分类学

Published online: 2026-07-19 21:51:49

PDF DOWNLOAD (84)