Coptocheilus longyanensis (Zhou, Zhang & D. Chen, 2009)

Chen, Zhe-Yu, 2021, A review of Coptocheilus Gould, 1862 from China, with description of a new species (Gastropoda: Caenogastropoda: Pupinidae), Journal of Natural History 54 (41 - 42), pp. 2703-2712 : 2706-2707

Coptocheilus longyanensis (Zhou, Zhang & D.-N. Chen, 2009) 龙岩裂唇螺

( Figure 2 (a–e))

Schistoloma longyanensis Zhou, Zhang & Chen, 2009: 122 , figs 1–8.; Schistoloma longyanensis – Páll-Gergely et al. 2019: 326 .

Type locality. ‘ Forest Park, Longyan City (25°01′N, 117°00′E), Fujian Province, China’ .

Material examined. CZY/1 China, Fujian, Quanzhou City (泉州市), Mt . Gongya (贡鸭山), 2019-viii-21-23, 117°24ʹ20”E, 24°55ʹ44”N, 1000 m, leg . Hai-Tian Song; CZY/1 China, Fujian, Fu’an City (福安市), Shuyang Village (枢洋村), 2019-v-3, 27°09ʹ22”N, 119°40ʹ54”E, 390 m, leg . Hai-Tian Song ; CZY/1 China, Fujian, Sanming City (三明市), Shaxian (沙县), Mt . Zhufeng (珠峰山), 800 m, 2019-iv-20, leg . Xing-Qiu Fan; CZY/6 , Zhejiang Province, Wenzhou City (温州市), Rui’an City (瑞安市), Gaolou Town (高楼镇), Zhangji Village (张 基村), 27°43ʹ46”N, 120°18ʹ8”E, 2020-v-1, leg . Xing-Zhi Lin .

Remarks. The type specimens deposited in Fuzhou and Beijing were unavailable for study. In comparing with typical Coptocheilus longyanensis from Mt. Gongya ( Figure 2 (a)), the specimen from Mt. Zhufeng has dense crisscross colour bands and a light orangish outer peristome ( Figure 2 (c)), the specimens from Shuyang Village and Zhangji Village have more bulging whorls and more strongly thickened peristome, especially, specimens from Zhangji Village have very small shells (H <15 mm) ( Figure 2 (b,d–e)). But in my opinion, these features cannot be diagnostic characteristics of differentiated species in the current research stage. Molecular analysis and morphological study of the soft parts of this species should be conducted to reveal any reproductive differences and that genetic relationship between the typical form and variants from Mt. Zhufeng, Shuyang Village and Zhangji Village.

Distribution. CHINA: Fujian (Wuyi mountains/Bohea), Zhejiang (Wenzhou) and Guangdong (Meizhou City)

Figures

Figure 2. Shells of Chinese Coptocheilus Gould, 1862. A–E. Coptocheilus longyanensis (Zhou,Zhang & D. Chen, 2009) from Mt. Gongya (a), Shuyang Vil (b), Mt. Zhufeng (c), and Zhangji Vil (d–e). F. Coptocheilus inermis (Bavay & Dautzenberg, 1909) Photos: Zhe-Yu Chen.