Clade Posteritorna Kluge et al. 1995 (mayfly)
Parent taxon: Euplectoptera according to N. J. Kluge 2004
Sister taxa: Anteritorna, Aphelophlebodes, Aphelophlebodes stocki, Fuyoidae
Subtaxa: Prosopistomatoidea
Ecology:
Distribution:
• Eocene of the Russian Federation (3 collections)
• Cretaceous of Australia (1), Brazil (2), Myanmar (1), United States (1: New Jersey)
Total: 8 collections including 9 occurrences