| Albertonectes Temporal range: Late Cretaceous,
| |
|---|---|
| |
| The tail vertebrae of the holotype specimen of Albertonectes vanderveldei | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Family: | †Elasmosauridae |
| Subfamily: | †Elasmosaurinae |
| Genus: | †Albertonectes Kubo et al., 2012 |
| Type species | |
| †Albertonectes vanderveldei Kubo et al., 2012
| |
Albertonectes is an extinct genus of elasmosaurid plesiosaur known from the Late Cretaceous (middle upper Campanian stage) Bearpaw Formation of Alberta, Canada. It contains a single species, Albertonectes vanderveldei. Albertonectes is the longest elasmosaur, and more generally plesiosaur, known to date both in neck and total body length, estimated around 12 metres (39 ft) long and weighing up to 4.8 metric tons (5.3 short tons).