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Pedipalpi is an order of arachnids, which includes various species such as Amblypygi, Harvestmen, and Scorpions. These creatures are characterized by their unique pedipalps, appendages located near their mouths that they use for feeding, sensory perception, and mating. The pedipalps can take on various forms depending on the species; for instance, in Amblypygi, also known as whip spiders, the pedipalps are elongated and serve a tactile function, while in Harvestmen, or daddy longlegs, they are shorter and used for feeding. Scorpions, another group within Pedipalpi, use their pedipalps to capture prey and defend themselves. Overall, Pedipalpi is a diverse order of arachnids with distinct pedipalp structures that play crucial roles in their survival.