Family Coloburiscidae Edmunds 1963 (mayfly)
Insecta - Ephemeroptera - Coloburiscidae
Alternative spelling: Coloburiscinae
Parent taxon: Eusetisura according to N. J. Kluge 2004
See also Demoulin 1968 and Demoulin 1974
Sister taxa: Isonychiidae, Oligoneuriidae
Subtaxa: Cronicus Siphlurites
Ecology:
Distribution:
• Eocene of Denmark (1 collection), Poland (2), the Russian Federation (3), United States (1: Colorado)
Total: 7 collections including 9 occurrences