Order Chelonethida refers to a group of arachnids commonly known as pseudoscorpions or false scorpions. These tiny creatures have a flattened body and a pair of pincers that resemble those of scorpions. The order Chelonethida includes around 3,300 species that are found throughout the world. Synonyms for this order include the false scorpion order, the book scorpion order, and the pseudoscorpion order. These creatures are harmless to humans and feed on small insects and mites. They are known for their ability to hitchhike on other animals, such as beetles, and can be found in a variety of habitats, including leaf litter, soil, and caves.