Family Oligoneuriidae Ulmer 1914 (mayfly)
Insecta - Ephemeroptera - Oligoneuriidae
Full reference: G. Ulmer. 1914. Ordn. Ephemeroptera (Agnátha), Eintagsfliegen. Fauna von Deutschland 95-99
Parent taxon: Eusetisura according to N. J. Kluge 2004
See also McCafferty 1990 and McCafferty and Edmunds 1979
Sister taxa: Coloburiscidae, Isonychiidae
Subtaxa: Colocrurinae Incogemininae Oligoneuriinae
Ecology:
Distribution:
• Cretaceous of Brazil (6 collections), Canada (1: Newfoundland and Labrador)
Total: 7 collections including 9 occurrences