Family Metretopodidae Traver 1954 (mayfly)
Insecta - Ephemeroptera - Metretopodidae
Alternative spelling: Metretopodinae
Parent taxon: Tridentiseta according to N. J. Kluge 2004
Sister taxa: Acanthametropodidae, Ameletidae, Ameletopsidae, Ametropodidae, Tetramerotarsata
Subtaxa: Metretopus Siphloplecton
Ecology:
Distribution:
• Eocene of Poland (3 collections), the Russian Federation (10)
Total: 13 collections including 25 occurrences