Chelifer cancroides, commonly known as the pseudoscorpion, is a small arachnid belonging to the order Pseudoscorpiones. It has a flattened body, resembling a miniature scorpion without a tail. Pseudoscorpions are typically found in leaf litter, soil, and other organic matter, where they feed on small insects and mites. They are harmless to humans and play a beneficial role in controlling pest populations.