Figure 13 in Systematic revision of the freshwater snail Margarya Nevill, 1877 (Mollusca: Viviparidae) endemic to the ancient lakes of Yunnan, China, with description of new taxa

Figure 13. Shells of Margarya francheti: A, Lake Jianhu, JHFS 1, 86.9 mm; B, Lake Erhai, EHCC 11, 45.1 mm; C, Lake Dianchi, DCWLB 1, 58.3 mm; C, D, Lake Erhai, FG89708, 60.1 mm; E, holotype figure of Margarya francheti; F, holotype figure of Margarya tropidophora (E, F, from Mabille, 1886).