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Uniramia
The Uniramia are a major group of Arthropoda, consisting of organisms with an exoskeleton, jointed appendages, and with legs that do not branch, namely the Hexapoda (insects and allies) and Myriapoda (centipedes, millipedes, and related forms). In Manton's original proposal, the Uniramia also included the Onychophora (velvet worms), but the discovery of fossil lobopods that are intermediate between onychophorans and arthropods is strong evidence for the two groups being separate.
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