Palpigradi
Palpigradi is an order of very small arachnids commonly known as microwhip scorpion or palpigrades. Description Palpigrades belong to the arachnid class. They are the sister group to Solifugae, no more than in length, and averaging . They have a thin, pale, segmented integument, and a segmented abdomen that terminates in a whip-like flagellum. This is made up of 15 segment-like parts, or "articles", and may make up as much as half the animal's length. Each article of the flagellum bears bristles, giving the whole flagellum the appearance of a bottle brush. The carapace is divided into two plates between the third and fourth leg pair of legs. They have no eyes. As in some other arachnids, the first pair of legs is modified to serve as sensory organs, and are held clear of the ground while walking. Often, however, palpigrades use their pedipalps for locomotion, so that the animal appears to be walking on five pairs of legs. But they do not swing in phase with the walking legs, a ...
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