Leptestheriidae
| Leptestheriidae | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Clade: | Allotriocarida | 
| Class: | Branchiopoda | 
| Subclass: | Phyllopoda | 
| Superorder: | Diplostraca | 
| Order: | Spinicaudata | 
| Family: | Leptestheriidae Daday, 1923  | 
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
 - Maghrebestheria
 - Sewellestheria