arthropods" as well as two new fossils found to be the most early branches of Deuteropoda[1][2] (living groups are marked in bold).
{{clade|style=font-size:95%;|label1=Panarthropoda|1=
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Onychophora ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Velvet_worm.png/80px-Velvet_worm.png) |
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Tardigrada ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/20/SEM_image_of_Milnesium_tardigradum_in_active_state_-_journal.pone.0045682.g001-2_%28white_background%29.png/60px-SEM_image_of_Milnesium_tardigradum_in_active_state_-_journal.pone.0045682.g001-2_%28white_background%29.png) |
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Siberion 틀:Extinct ![](//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/20191215_Siberion_lenaicus.png/80px-20191215_Siberion_lenaicus.png) |
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Megadictyon 틀:Extinct ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/26/20191118_Megadictyon_cf._haikouensis.png/80px-20191118_Megadictyon_cf._haikouensis.png) |
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Jianshanopodia 틀:Extinct ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/1b/20191215_Jianshanopodia_decora.png/80px-20191215_Jianshanopodia_decora.png) |
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Kerygmachela 틀:Extinct ![](//upload.wikimedia.org/wikipedia/commons/thumb/7/76/21091022_Kerygmachela_kierkegaardi.png/80px-21091022_Kerygmachela_kierkegaardi.png) |
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Pambdelurion 틀:Extinct ![](//upload.wikimedia.org/wikipedia/commons/thumb/3/33/20191112_Pambdelurion_whittingtoni.png/80px-20191112_Pambdelurion_whittingtoni.png) |
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Opabinia 틀:Extinct ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/21/20191108_Opabinia_regalis.png/70px-20191108_Opabinia_regalis.png) |
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Zeng, Han; Zhao, Fangchen; Niu, Kecheng; Zhu, Maoyan; Huang, Diying (November 2020), “An early Cambrian euarthropod with radiodont-like raptorial appendages”, 《Nature》 588 (7836): 101–105, Bibcode:2020Natur.588..101Z, doi:10.1038/s41586-020-2883-7, PMID 33149303, S2CID 226248177 O’Flynn, Robert; Williams, Mark; Yu, Mengxiao; Harvey, Thomas; Liu, Yu (2022), “A new euarthropod with large frontal appendages from the early Cambrian Chengjiang biota”, 《Palaeontologia Electronica》 25 (1): a6, doi:10.26879/1167, S2CID 246779634