SEM images of radulae of Halongella and Sicradiscus species. A, D, G, J, M show the middle part of the radula; B, E, H, K, N show the central tooth and the first 2–3 pairs of laterals C, F, I, L, O show the marginals. A–C Halongella fruhstorferi (Möllendorff, 1901) (for locality see Figure 25) D–F H. schlumbergeri (Morlet, 1886) (for locality see Figure 29A–B) G–I Sicradiscus invius (Heude, 1885), China, Sichuan, Dujiangyan Shi, Taian Zhen, Sanlong Shuijingrongdong, ca 1090 m, 30°55.039'N, 103°29.662'E, leg. Hosoda, T., Ohara, K., Okubo, K., Otani, J. U., 17.09.2013. J–L S. mansuyi (Gude, 1908), (for locality see Figure 27) M–O S. schistoptychia (Möllendorff, 1886), China, Hunan, Yongzhou Shi, Ningyuan Xian, Jiuyishan Yaozuxiang, Jiuyishan Guojia Senlin Gongyuan, old maple forest, 25°21.200'N 111°58.696'E, 450 m, leg. Hunyadi, A., 11.11.2010. All photos by B. Páll-Gergely.