Fig. 15 in Systematic revision of the Plectopylinae (Gastropoda, Pulmonata, Plectopylidae)

Fig. 15. Parietal (A, C, E, G, I, K, L, N, P, R) and palatal (B, D, F, H, J, M, O, Q, S) plication of species of Chersaecia Gude, 1899. A–B. C. auffenbergi sp. nov. (UF 448572). C–D. C. feddeni (Blanford, 1865) comb. nov. (after Gude 1914b). E–F. C. feddeni ("Plectopylis ponsonbyi", after Gude 1896b). G–H. C. goniobathmos (Ehrmann, 1922) comb. nov. (SMF 150100c). I–J. C. leiophis (Benson, 1860) (NHMUK 1902.02.02.145). K. C. leiophis ("pseudophis", after Gude 1914b). L–M. C. leiophis ("kengtungensis", after Gude 1914b). N–O. C. leiophis (UF 446988). P–Q. C. leiophis, holotype of Plectopylis degerbolae Solem, 1966 (ZMUC-GAS-485). R–S. C. leucochila (Gude, 1897) comb. nov. (NHMUK 1922.8.29.39). Arrows below the letters indicate the direction of the aperture. Not to scale.