Subfamily Timpanoginae Allen 1984 (mayfly)
Insecta - Ephemeroptera - Ephemerellidae
Alternative spelling: Timpanogae
Full reference: R. K. Allen. 1984. A new classification of the subfamily Ephemerellinae and the description of a new genus. The Pan-Pacific Entomologist 60:245-247
Parent taxon: Ephemerellidae according to A. H. Staniczek et al. 2017
See also Allen 1984, Jacobus and McCafferty 2006 and Jacobus and McCafferty 2008
Sister taxon: Ephemerellinae
Subtaxa: Eurylophella Timpanogini
Type: Ephemerella (Timpanoga)
Ecology:
Distribution: found only at Baltic Amber, Humboldt Museum Simon collection (Eocene of Russian Federation)