Figure 17. A–C 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 17. A–C, recent shells of Margarya monodi: A, Lake Dianchi, DCXHJ 1, 61.2 mm; B, Lake Dianchi, DCHK 1, 57.4 mm; C, Lake Dianchi, IZCAS FG89681, 50.0 mm; D, subfossil specimens, Haikou, Lake Dianchi (left to right: 60.6 mm, 67.3 mm, 61.5 mm, 65.1 mm); E, submature shell, DCHK 40, 38.2 mm; F, juvenile shell, 14.3 mm, taken from DCHK 1; G, holotype of Margarya elongata, FG00074; H, holotype of Margarya elongata var. yini, FG00096; I, holotype of Margarya tchangsii (Xia, 1982); J, original figure of Margarya monodi (Dautzenberg & Fischer, 1905).