FIGURE 8 in Diversification in ancient Lake Biwa: integrative taxonomy reveals overlooked species diversity of the Japanese freshwater snail genus Semisulcospira (Mollusca: Semisulcospiridae)

FIGURE 8 Shells of Semisulcospira niponica and S. fuscata. A–F, Lectotype (A–C), NHM 1875.11.24.11/1, paralectotypes (D, E), NHM 1875.11.24.11/2, 1875.11.24.11/3 and the label of S. niponica (F). G–K. Holotype of S. biwae, SMF 291511. L–P, Holotype of S. fuscata, LBM 13-1. Q–S, S. niponica from Oura Port, KUZ Z4091. T–W, S. niponica from Nagahama Port, KUZ Z4093. X–Z, S. niponica from Iso, KUZ Z4095. AA–AC, S. niponica from Kitakomatsu Port, KUZ Z4097. AD–AE, S. niponica from Kitakomatsu Beach, KUZ Z4098. AF –AH, S. niponica from Katata Port, KUZ Z4099. AI–AK, S. niponica from Otsu Port, KUZ Z3766. AL –AN, S. niponica from Nango, KUZ Z4101. AO–AQ, S. fuscata from Lake Yogo, KUZ Z4103. AR –AT, S. fuscata from Oura, KUZ Z4105. AU–AX, S. fuscata from Nihonmatsu, KUZ Z4107. AY–BA, Putative hybrid between S. fuscata and S. watanabei sp. nov. from Nihonmatsu, KUZ Z4140. A–E, G–I, L–N, Q, T, X, AA, AD, AF, AI, AL, AO, AR, AU, AY, Adult shell. R, U, Y, AB, AE, AG, AJ, AM, AP, AS, AW, AZ, Operculum. S, W, Z, AC, AH, AK, AN, AQ, AT, AX, BA, Embryonic shell. F, J, K, O, P, Label. Scale bars: 10 mm (A–E, G–I, L–N, Q, R, T, U, X, Y, AA, AB, AD–AG, AI, AJ, AL, AM, AO, AP, AR, AS, AU, AW, AY, AZ), 1 mm (S, W, Z, AC, AH, AK, AN, AQ, AT, AX, BA). Newly collected specimens (Q–BA) were treated with 3% sodium hypochlorite