Leptocleidus
| Leptocleidus Temporal range: Early Cretaceous,  | |
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| Life restoration of L. capensis | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Superorder: | †Sauropterygia | 
| Order: | †Plesiosauria | 
| Family: | †Leptocleididae | 
| Genus: | †Leptocleidus Andrews, 1922 | 
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Leptocleidus is an extinct genus of plesiosaur, belonging to the family Leptocleididae. It was a small plesiosaur, measuring only up to 3 m (9.8 ft).