Pseudoscorpiones are a group of small arachnids that are often mistaken for scorpions due to their similar appearance, but lack a tail with a stinger. They have several synonyms, including false scorpions, book scorpions, and small brown scorpions. These names relate to their diminutive size, as well as their habitat in books, where they feed on other small arthropods. Pseudoscorpiones are highly beneficial for natural pest control and are found worldwide in a variety of environments, from caves to forests to deserts. Despite their myriad of synonyms, they continue to intrigue and fascinate scientists and nature enthusiasts alike.