Thelyphonida Arachnida Arthropoda Animalia

Order of invertebrates in the class Arachnida. Commonly known as whip scorpions, they are superficially similar to scorpions but the first pair of legs is modified to serve as antennae-like sensory organs. They have a whip-like flagellum at the end of their abdomen but are not venomous and many species also have large scorpion-like pedipalps (pincers). Whip scorpions are carnivorous, nocturnal hunters.

• Uropygid - Information from Wikipedia on these invertebrates, commonly known arthropoda as whip scorpions, their description, classification, behavior and arthropoda habitat.
• Thelyphonus - Exercise from Invertebrate Anatomy OnLine covering the systematics and external anatomy of this whip scorpion.

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