Marmornectes
| Marmornectes Temporal range: Middle Jurassic,  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Superorder: | †Sauropterygia | 
| Order: | †Plesiosauria | 
| Family: | †Pliosauridae | 
| Genus: | †Marmornectes Ketchum & Benson, 2011 | 
| Species: | †M. candrewi | 
| Binomial name | |
| †Marmornectes candrewi Ketchum & Benson, 2011 | |
Marmornectes is a genus of pliosaurid known from the Middle Jurassic of Bedfordshire, United Kingdom.