Marambionectes
| Marambionectes Temporal range: Late Cretaceous | |
|---|---|
| Speculative life restoration | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Family: | †Elasmosauridae |
| Clade: | †Weddellonectia |
| Genus: | †Marambionectes O'Gorman et al., 2024 |
| Species: | †M. molinai |
| Binomial name | |
| †Marambionectes molinai O'Gorman et al., 2024 | |
Marambionectes (meaning "Marambio Island swimmer") is an extinct genus of weddellonectian elasmosaurid plesiosaur from the Late Cretaceous López de Bertodano Formation of Antarctica. The genus contains a single species, M. molinai, known from a partial skeleton.