Figure 25 in Etudes on iurids, II. Revision of genus Calchas Birula, 1899, with the description of two new species (Scorpiones: Iuridae)

Figure 25: Chelal movable finger of Calchas species showing dentition. Note differences in the number of inner denticles (ID) and median denticle (MD) groups between the species: C. nordmanni, female, Tortum, Turkey, and C. birulai, sp. nov., male holotype, Mardin, Turkey, with six ID and seven MD groups as compared to C. gruberi, sp. nov., female holotype, Mamure Kalesi, Anamur, Turkey, with seven ID and eight MD groups.