Polymitarcyidae

Polymitarcyidae is a family of pale burrower mayflies in the order Ephemeroptera. There are about 10 genera and more than 90 described species in Polymitarcyidae.

Genera
These 10 genera belong to the family Polymitarcyidae:
 * Asthenopus Eaton, 1871
 * Campsurus Eaton, 1871
 * Ephoron Williamson, 1802 (white flies)
 * Languidipes
 * Povilla Navás, 1912
 * Pristiplocia McCafferty, 1990
 * Tortopsis Molineri, 2010
 * Tortopus Needham & Murphy, 1924
 * † Cretomitarcys Sinitshenkova, 2000
 * † Palaeoanthus Kluge, 1994