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[https://en.wikipedia.org/wiki/Arthropod Arthropod] are [https://en.wikipedia.org/wiki/Invertebrate invertebrate] animals having an [https://en.wikipedia.org/wiki/Exoskeleton exoskeleton], a [https://en.wikipedia.org/wiki/Segmentation_(biology) segmented] body, and paired jointed [https://en.wikipedia.org/wiki/Appendage appendages].

Arthropods form the [https://en.wikipedia.org/wiki/Phylum phylum] '''Euarthropoda''', which includes [https://en.wikipedia.org/wiki/Insect insects], [https://en.wikipedia.org/wiki/Arachnid arachnids], [https://en.wikipedia.org/wiki/Myriapoda myriapods], and [https://en.wikipedia.org/wiki/Crustacean crustaceans].

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