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JC Schou   cc-by-nc

Ephemeroidea is a superfamily of mayflies. There are 248 species of Ephemeroidea, in 33 genera and 6 families. This superfamily has been around since the middle triassic epoch. It includes groups like Behningiidae, Hacklegilled Burrower Mayflies, and Riverbed Burrower Mayflies.

EOL has data for 8 attributes, including: