Simonoides Vachon et Farzanpay, 1987 is synonymized with Orthochirus Karsch, 1891. Lectotype is designated for Simonoides farzanpayi Vachon et Farzanpay, 1987. Orthochirus sobotniki Kovařík, 2004 is synonymized with Orthochirus farzanpayi (Vachon et Farzanpay, 1987), comb. n. Orthochirus gruberi, sp. n. (Iran) is described and dis-tinguished from all other Iranian species of the genus on a combination of two characters, the presence of rows of granules with internal and external granules on the movable fingers of pedipalps and hirsuteness of the entire me-tasoma and telson.
Kovařík, F., & Fet, V. 2006 . Taxonomic position of the genus Simonoides Vachon et Farzanpay, 1987, and description of a new species of Orthochirus Karsch from Iran (Scorpiones, Buthidae). Euscorpius, No. 38: 1-10.