Full reference: E. O. Ulrich and R. S. Bassler. 1931. Cambrian bivalved Crustacea of the order Conchostraca. Proceedings of the United States National Museum 78:1-130
Parent taxon: Archaeocopida according to R. H. Benson et al. 1961
See also Skovsted 2006
Sister taxa: Beyrichonidae, Bradoriidae, Cambriidae, Comptalutidae, Haoia, Hipponicharionidae, Monceretia, Mongolitubulus, Qingquanella, Sinskolutella, Spinospitella, Svealutidae, Yakutingella, Tsunyiella, Zhenpingella, Antihipponicharion, Hanchiangella, Paraphaseolella, Ophiosema, Changshabaella, Meishucunella, Bajiella, Epactridion, Indota, Dabashanella, Parakunmingella, Yaoyingella, Konicekion, Pseudokunmingella, Dahaiella, Kunmingella, Wutingella, Hanchungella, Leshanella, Yeshanella, Zhijinella, Phaseolella, Songlinella, Guangyuanella, Houlongdongella, Auriculatella, Luella, Tropidiana, Neokunmingella, Nanchengella, Monasterium, Ovaluta, Comptaluta, Zepaera, Wuchiapingella, Malongella, Zhongbaoella, Acanthomeridion, Shensiella, Kunyangella
Subtaxa: Dielymella Indiana Mononotella
Ecology: nektobenthic omnivore
Distribution:
• Cambrian of Germany (4 collections), Greenland (11), United States (2: Pennsylvania)
• Templetonian of Australia (1)
Total: 18 collections including 20 occurrences