Calchinae Birula, 1917

Soleglad, Michael E., Fet, Victor, Kovařík, František & Yağmur, Ersen Aydın, 2012, Etudes on iurids, V. Further revision of Iurus Thorell, 1876 (Scorpiones: Iuridae), with a description of a new genus and two new species, Euscorpius 143, pp. 1-70 : 12

Subfamily Calchinae Birula, 1917

Diagnosis. Tibial spurs present on legs III–IV; leg tarsus ventral surface with irregularly populated spinules on juveniles, reduced considerably on adults concentrated only on tarsus base. Femoral trichobothrium d located on dorsal surface; e located considerably distal of d; chelal trichobothrium db positioned at fixed finger base; Db located dorsally of external (E) carina, distal of Eb series; patellar trichobothrium i located on dorsal surface, adjacent to DI carina. Prepectinal plate present in female. Stigma small, oval in shape. Large ventral accessory (va) denticle of cheliceral movable finger located at finger base; conspicuous serrula present. Hemispermatophore lamellar internal base with triangular protuberance; trunk without bolsters. Chelal finger median denticle (MD) groups number 6–8; inner denticles (ID) 5–7; movable finger of adult males without lobe. Patellar dorsal (DPS) and ventral (VPS) spurs doubled but weakly developed.