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 [= Leptestheriella) including Leptestheria compleximanus Maghrebestheria Sewellestheria
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