†superfamily Mesephemeroidea Lameere 1917 (mayfly)
Parent taxon: Permoplectoptera according to A. H. Staniczek et al. 2011
Sister taxa: Cretereismatidae, Litophlebioidea, Mesephemeriformia, Misthodotidae, Protereismatidae, Protereismatoidea
Subtaxa: Mesephemeridae Palingeniopsidae Sharephemeridae
Ecology:
Distribution:
• Jurassic of China (2 collections), Germany (5), Mongolia (1)
• Triassic of Germany (1), the Russian Federation (1), Spain (3)
• Permian of the Russian Federation (2)
Total: 15 collections including 22 occurrences