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, Kouchinsky et al. 2011, Landing et al. 2008, Sepkoski 2002 and Skovsted et al. 2006
Sister taxa: Actaeus, Agonata, Almenia, Aptera, Arachnoidea, Armadillidium molassicum, Armadillidium payangadensis, Blattina splendens, Branchiata, Bundenbachiellus, Burgessia, Clypecaris, Crustacea, Dalmaniopsis, Devonopilio, Devonopilio hutchinsoni, Dicerocaris, Dinopilio parvus, Dongshanocaris, Douglasocaris, Emeiella, Ercaia, Esmeraldacaris, Euthycarcinoidea, Forfexicaris, Gaoqiaioella, Geracus, Geracus tubifer, Gigantopleurida, Goticaris, Guangweicarididae, Habelia, Hanburia, Henningsmoenicaris, Huangshandongia, Jianfengia, Kablikia, Kampecaris obanensis, Keurbos, Kleptothule, Kounicia, Liantuoia, Longquania, Marrelomorpha, Meristosoma, Merostomoidea, Monoculus, Motina, Myriapoda, Naptile, Notchia, Occacaris, Odaraiida, Orstenocarida, Palaeophonus arctus, Panlongia, Paratrilobita, Parvancorinomorpha, Parvibellus, Pauloterminus, Pedestria, Pisinnocaris, Platicytes, Plenocaris, Pleurolycosa, Pleurolycosa prolifera, Poliochera pustulatus, Priscansermarinus, Proricaris, Protocaris, Pseudoiulia, Pycnogonida, Pygmaclypeatus, Rhynimonstrum, Schizodiscus, Scorpionida, Serracaris, Shankouia, Skaracarida, Sunellidae, Synistata, Tanglangia, Tuzoida, Unogata, Utahcaris, Zagoracaris, Artiopoda, Siberion, Megadictyon, Parioscorpio, Hadranax, Deuteropoda, Dinocarida, Marrellomorpha, Youti, Arachnomorpha, Radiodonta, Proschizoramia
Subtaxa: Acanthomeridion Aluta Antihipponicharion Auriculatella Bajiella Beyrichonidae Bradoriidae Cambriidae Changshabaella Comptalutidae Dahaiella Guangyuanella Hanchiangella Haoiidae Hipponicharionidae Houlongdongella Indianidae Konicekion Kunmingellidae Leshanella Luella Malongella Meishucunella Monasteriidae Monceretia Mongolitubulidae Nanchengella Parakunmingella Paraphaseolella Phaseolella Pseudokunmingella Qingquanella Shensiella Songlinella Spinospitella Svealutidae Wuchiapingella Yakutingella Yaoyingella Yeshanella Zhenpingella Zhijinella Zhongbaoella