Leptestheriidae

Leptestheriidae is a family of crustaceans in the order Spinicaudata. They are distinguished from the family Cyzicidae by the presence of a rostral spine. Members of Leptestheriidae are believed to graze on detritus.

The family contains five extant genera:
 * Eoleptestheria
 * Leptestheria
 * Leptestheria compleximanus
 * Leptestheriella
 * Maghrebestheria
 * Sewellestheria