1. The phylum Arthropoda contains numerous taxonomic orders in over 20 classes. 2. Band / Volume IV Arthropoda : Insecta Teilband / Part 35 : 491 pp. 3. Arthropoda include insects, crustaceans and arachnids.4. The phylum is placed along with the Ecdysozoa clade of moulting organisms that include the Arthropoda . 5. They both belong, however, to the Phylum Arthropoda -- the joint-legged animals. 6. In the typical body segment of an insect or many other Arthropoda , there are four principal regions. 7. Velvet worms are considered close relatives of the Arthropoda and Tardigrada, with which they form the taxon Panarthropoda. 8. :" Onychophorans can be considered highly evolved annelids, adapted to terrestrial life, which announced prophetically the Arthropoda . 9. Insects and other arthropoda such as spiders are caught on the ground and then held down with the forefeet and eaten. 10. The Arthropoda , Onychophora, and Tardigrada have been grouped together as the Panarthropoda because they are distinguished by segmented body plans.
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