Subfamily Oligoneuriinae Ulmer 1914 (mayfly)
Insecta - Ephemeroptera - Oligoneuriidae
Full reference: G. Ulmer. 1914. Ordn. Ephemeroptera (Agnátha), Eintagsfliegen. Fauna von Deutschland 95-99
Parent taxon: Oligoneuriidae according to A. S. Mueller and A. V. Demers-Potvin 2024
Sister taxa: Colocrurinae, Incogemininae
Subtaxa: Alatuscapillus
Ecology:
Distribution: found only at Redmond No. 1, Knob Lake District (Redpath Museum/MPE collection) (Cretaceous of Newfoundland and Labrador)