Full reference: A. A. Opik. 1968. Ordian (Cambrian) Crustacea Bradoriida of Australia. Bulletin of the Bureau of Mineral Resources, Geology and Geophysics 53:1-249
Parent taxon: Bradoriida according to C. B. Skovsted 2006
Sister taxa: Beyrichonidae, Bradoriidae, Cambriidae, Comptalutidae, Haoia, Hipponicharionidae, Monceretia, Sinskolutella, Spinospitella, Yakutingella, Tropidiana, Tsunyiella, Dahaiella, Phaseolella, Acanthomeridion, Nanchengella, Antihipponicharion, Zhenpingella, Parakunmingella, Kunmingella, Shensiella, Meishucunella, Monasterium, Sunella, Indota, Auriculatella, Changshabaella, Wutingella, Paraphaseolella, Zhijinella, Luella, Neokunmingella, Hanchiangella, Ophiosema, Combinivalvula, Pseudokunmingella, Yeshanella, Guangyuanella, Dabashanella, Ovaluta, Bajiella, Zepaera, Indianidae, Wuchiapingella, Houlongdongella, Zhongbaoella, Kunyangella, Leshanella, Konicekion, Epactridion, Yaoyingella, Malongella, Comptaluta, Hanchungella, Songlinella
Subtaxa: Liangshanella
Ecology: nektobenthic omnivore
Distribution:
• Tremadoc of Kazakhstan (1 collection)
• Delamaran of Canada (27: British Columbia)
• Cambrian of Australia (1), Canada (1: British Columbia), China (5), Germany (1), Greenland (10)
Total: 46 collections including 60 occurrences