Etudes on iurids, VI. Further revision of Calchas Birula, 1899 (Scorpiones: Iuridae), with a description of a new genus and two new species Author Yağmur, Ersen Aydın Author Soleglad, Michael E. Author Fet, Victor Author Kovařík, František text Euscorpius 2013 159 159 1 37 journal article 1536-9307 58F05E3F-13EA-4354-A067-466063E8B1D8 Calchas Birula, 1899 Synonyms: Paraiurus Francke, 1985 . See Fet & Madge (1987) and Sissom & Fet (2000) for details on synonymy.