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| Hexapods Temporal range:
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| A flesh-fly, Sarcophaga sp. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Mandibulata |
| Clade: | Pancrustacea |
| Subphylum: | Hexapoda Latreille, 1825[2] |
| Classes | |
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The subphylum Hexapoda (from Greek for 'six legs') or hexapods comprises the largest clade of arthropods and includes most of the extant arthropod species. It includes the crown group class Insecta (true insects), as well as the much smaller clade Entognatha, which includes three classes of wingless arthropods that were once considered insects: Collembola (springtails), Protura (coneheads) and Diplura (two-pronged bristletails).[3][4] The insects and springtails are very abundant and are some of the most important pollinators, basal consumers, scavengers/detritivores and micropredators in terrestrial environments.
Hexapods are named for their most distinctive feature: a three-part body plan with a consolidated thorax and three pairs of legs. Most other arthropods have more than three pairs of legs.[5] Most recent studies have recovered Hexapoda as a subgroup of Crustacea.[6]
- ^ Wang, Yan-hui; Engel, Michael S.; Rafael, José A.; Wu, Hao-yang; Rédei, Dávid; Xie, Qiang; Wang, Gang; Liu, Xiao-guang; Bu, Wen-jun (2016). "Fossil record of stem groups employed in evaluating the chronogram of insects (Arthropoda: Hexapoda)". Scientific Reports. 6: 38939. Bibcode:2016NatSR...638939W. doi:10.1038/srep38939. PMC 5154178. PMID 27958352.
- ^ "Hexapods - Hexapoda". Archived from the original on 21 February 2017. Retrieved 22 March 2018.
- ^ "Hexapods". The Encyclopedia of Life.
- ^ "Subphylum Hexapoda - Hexapods - BugGuide.Net". bugguide.net.
- ^ "Hexapoda". tolweb.org.
- ^ Schwentner, Martin; Combosch, David J.; Pakes Nelson, Joey; Giribet, Gonzalo (June 2017). "A Phylogenomic Solution to the Origin of Insects by Resolving Crustacean-Hexapod Relationships". Current Biology. 27 (12): 1818–1824.e5. Bibcode:2017CBio...27E1818S. doi:10.1016/j.cub.2017.05.040. PMID 28602656. S2CID 38457877.