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, Zhenpingella, Yeshanella, Konicekion, Phaseolella, Nanchengella, Wuchiapingella, Monasterium, Antihipponicharion, Songlinella, Leshanella, Paraphaseolella, Hanchungella, Zhijinella, Zepaera, Acanthomeridion, Dahaiella, Tropidiana, Zhongbaoella, Ophiosema, Parakunmingella, Meishucunella, Yaoyingella, Hanchiangella, Malongella, Auriculatella, Luella, Changshabaella, Indianidae, Bajiella, Comptaluta, Combinivalvula, Sunella, Guangyuanella, Pseudokunmingella, Tsunyiella, Neokunmingella, Ovaluta, Kunmingella, Wutingella, Kunyangella, Shensiella, Dabashanella, Houlongdongella, Epactridion, Indota
Subtaxa: Liangshanella
Ecology: nektobenthic omnivore
Distribution:
• Ordovician of Kazakhstan (1 collection)
• Cambrian of Australia (1), Canada (27: British Columbia), China (5), Germany (1), Greenland (10)
Total: 45 collections including 59 occurrences