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, Sinskolutella, Spinospitella, Svealutidae, 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, Wuchiapingella, Houlongdongella, Zhongbaoella, Kunyangella, Leshanella, Konicekion, Epactridion, Yaoyingella, Malongella, Comptaluta, Hanchungella, Songlinella
Subtaxa: Dielymella Indiana Mononotella
Ecology: nektobenthic omnivore
Distribution:
• Cambrian of Australia (1 collection), Germany (4), Greenland (11), United States (2: Pennsylvania)
Total: 18 collections including 20 occurrences