Suborder Eumegaloptera (alderfly)
Parent taxon: Neomegaloptera according to M. S. Engel 2004
See also Riek 1974
Sister taxon: Nothomegaloptera
Subtaxa: Corydalidae
Ecology:
Distribution:
• Oligocene of Germany (1 collection)
• Eocene of Poland (1), the Russian Federation (5)
• Cretaceous of Brazil (1), China (1), the Russian Federation (3), United States (1: Colorado)
• Jurassic of China (2), Germany (2)
• Triassic of Ukraine (1)
Total: 18 collections including 21 occurrences