Artiopoda

Artiopoda; Temporal range:
	Misszhouia, a nektaspid
	Cheloniellon, a cheloniellid
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
(unranked):	†Artiopoda; Hou and Bergstrom, 1997
Subgroupings
	†Squamacula; †Thulaspis; Protosutura †Acanthomeridion; †Zhiwenia; †Australimicola; ; †Campanamuta; †Falcatamacaris; †Molaria; †Retifacies; †Pygmaclypeatus; †Bailongia; †Strabopida?; Trilobitomorpha †Retifacies?; †Pygmaclypeatus?; †Campanamuta?; †Kwanyinaspis; †Arthroaspis; †Tonglaiia; †Nektaspida; †Trilobita; †Agnostida?(Traditionally included within Trilobita); †Conciliterga †Haifengella; †Helmetia; †Kuamaia; †Kwanyinaspis; †Rhombicalvaria; †Saperion; †Skioldia; †Tegopelte; ; †Xandarellida (=Petalopleura) †Luohuilinella; †Cindarella; †Phytophilaspis; †Xandarella; †Sinoburius; †Zhugeia; ; ; Vicissicaudata †Xenopoda (possibly paraphyletic) †Sidneyia; †Emeraldella; †Etania; ; †Kodymirus; †Eozetetes; †Carimersa; †Cheloniellida; †Aglaspidida; ;

The Artiopoda is a grouping of extinct arthropods that includes trilobites and their close relatives. It was erected by Hou and Bergström in 1997 to encompass a wide diversity of arthropods that would traditionally have been assigned to the Trilobitomorpha. Trilobites, in part due to their mineralising exoskeletons, are by far the most diverse and long lived members of the clade, with most records of other members, which lack mineralised exoskeletons, being from Cambrian deposits.

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Artiopoda Temporal range:

Misszhouia, a nektaspid

Cheloniellon, a cheloniellid
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
(unranked):	†Artiopoda Hou and Bergstrom, 1997
Subgroupings
†Squamacula †Thulaspis Protosutura †Acanthomeridion †Zhiwenia †Australimicola †Campanamuta †Falcatamacaris †Molaria †Retifacies †Pygmaclypeatus †Bailongia †Strabopida? Trilobitomorpha †Retifacies? †Pygmaclypeatus? †Campanamuta? †Kwanyinaspis †Arthroaspis †Tonglaiia †Nektaspida †Trilobita †Agnostida?(Traditionally included within Trilobita) †Conciliterga †Haifengella †Helmetia †Kuamaia †Kwanyinaspis †Rhombicalvaria †Saperion †Skioldia †Tegopelte †Xandarellida (=Petalopleura) †Luohuilinella †Cindarella †Phytophilaspis †Xandarella †Sinoburius †Zhugeia Vicissicaudata †Xenopoda (possibly paraphyletic) †Sidneyia †Emeraldella †Etania †Kodymirus †Eozetetes †Carimersa †Cheloniellida †Aglaspidida