Ephemeroidea

Ephemeroidea is a superfamily of mayflies. Members of this superfamily are found in most parts of the world with the exception of the Arctic, the Antarctic and Australia.

The following families are recognised:


 * Behningiidae
 * Ephemeridae
 * Euthyplociidae
 * Palingeniidae
 * Polymitarcyidae
 * Potamanthidae