†superfamily Beyrichiacea Matthew 1886 (ostracod)
Parent taxon: Paleocopa according to G. Henningsmoen 1953
See also Benson et al. 1961, Henningsmoen 1953 and Tilman 1984
Sister taxon: Leperditiacea
Subtaxa: Acronotellidae Budnianella Gillatia Novakina Pyxiprimitia Uncertain Zygobolbidae
Ecology: epifaunal
Distribution:
• Carboniferous of United States (1: Kansas collection)
• Silurian of Australia (2), Canada (18: Northwest Territories, Ontario, Quebec, Québec), Norway (1), Sweden (1), United States (98: Maryland, New York, Virginia, West Virginia)
• Whiterockian of United States (1: Nevada)
• Ordovician of Canada (6: Northwest Territories), the Czech Republic (1), Morocco (1), United States (1: Oklahoma)
Total: 131 collections including 334 occurrences