During their expedition to the Middle East, the students found a 7-centimeterlong arthropod. Its body consists of cephalothorax with 4 pairs of ambulatory legs and segmented abdomen with two venom glands in its last segment. The gland openings are located on the tip of the hookshaped sting. The animal was identified as a nocturnal predator, its venom is dangerous for humans. It belongs to the following order: