"Order Pedipalpi" may not be a commonly used term, but it refers to a group of arachnids that possess specialized appendages, known as pedipalps, that help them capture prey and reproduce. If you're searching for synonyms for this phrase, you might consider phrases like "scorpions and related arachnids," "pseudoscorpions," "whip scorpions," or "vinegaroons." These terms all encompass a variety of arachnids that share similar physical and behavioral characteristics, such as the ability to grasp onto prey with their pedipalps. By using these synonyms, you can broaden your understanding of this fascinating group of creatures and the unique ways in which they have adapted to their environments.