Alternative spelling: Bradioriida
Synonyms: Archaeocopida Sylvester-Bradley 1961, Bradoriid Hu 2005
Parent taxon: Arthropoda according to M. E. D. Alvarez et al. 2008
See also Bengtson 1992, Benson et al. 1961, Gravestock et al. 2001, Hu 2005, Landing et al. 2008, Sepkoski 2002 and Skovsted et al. 2006
Sister taxa: Actaeus, Agonata, Almenia, Aptera, Arachnoidea, Blattina splendens, Branchiata, Bundenbachiellus, Burgessia, Clypecaris, Cryptocaris, Dalmaniopsis, Devonopilio, Devonopilio hutchinsoni, Dicerocaris, Dinopilio parvus, Dongshanocaris, Douglasocaris, Emeiella, Ercaia, Esmeraldacaris, Euthycarcinoidea, Forfexicaris, Gaoqiaioella, Geracus, Geracus tubifer, Gigantopleurida, Goticaris, Graeophonus, Guangweicarididae, Habelia, Hanburia, Henningsmoenicaris, Hexapoda, Huangshandongia, Jianfengia, Jiucunella, Kablikia, Kampecaris obanensis, Kleptothule, Kounicia, Liantuoia, Libellula carbonaria, Longquania, Marrelomorpha, Meristosoma, Merostomoidea, Molaria, Monoculus, Motina, Myriapoda, Naptile, Notchia, Occacaris, Odaraiida, Orstenocarida, Palaeophonus arctus, Panlongia, Paratrilobita, Parioscorpio, Parvancorinomorpha, Pauloterminus, Pedestria, Pisinnocaris, Platicytes, Plenocaris, Pleurolycosa, Pleurolycosa prolifera, Poliochera pustulatus, Priscansermarinus, Proricaris, Protocaris, Pseudarthron, Pseudoiulia, Pycnogonida, Pygmaclypeatus, Rhombicalvaria, Rhynimonstrum, Schizodiscus, Scorpionida, Serracaris, Shankouia, Skaracarida, Synistata, Tanglangia, Tuzoida, Unogata, Utahcaris, Walossekia, Deuteropoda, Arachnomorpha, Siberion, Radiodonta, Dinocarida, Jianshanopodia, Marrellomorpha, Megadictyon, Artiopoda, Hadranax, Proschizoramia
Subtaxa: Acanthomeridion Antihipponicharion Auriculatella Bajiella Beyrichonidae Bradoriidae Cambriidae Changshabaella Combinivalvula Comptaluta Comptalutidae Dabashanella Dahaiella Epactridion Guangyuanella Hanchiangella Hanchungella Haoia Hipponicharionidae Houlongdongella Indianidae Indota Konicekion Kunmingella Kunyangella Leshanella Luella Malongella Meishucunella Monasterium Monceretia Nanchengella Neokunmingella Ophiosema Ovaluta Parakunmingella Paraphaseolella Phaseolella Pseudokunmingella Shensiella Sinskolutella Songlinella Spinospitella Sunella Svealutidae Tropidiana Tsunyiella Wuchiapingella Wutingella Yakutingella Yaoyingella Yeshanella Zepaera Zhenpingella Zhijinella Zhongbaoella