Template:Kovařík, 2004b
- Kovařík, F. 2004b. Revision and taxonomic position of genera Afghanorthochirus Lourenço & Vachon, Baloorthochirus Kovařík, Butheolus Simon, Nanobuthus Pocock, Orthochiroides Kovařík, Pakistanorthochirus Lourenço, and Asian Orthochirus Karsch, with descriptions of twelve new species (Scorpiones, Buthidae). Euscorpius No. 16: 1-33. Full article (PDF).