Unktaheela
| Unktaheela Temporal range: Late Cretaceous (middle Campanian),  | |
|---|---|
| Diagram of a restored skull | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Superorder: | †Sauropterygia | 
| Order: | †Plesiosauria | 
| Family: | †Polycotylidae | 
| Clade: | †Dolichorhynchia | 
| Genus: | †Unktaheela | 
| Species: | †U. specta | 
| Binomial name | |
| †Unktaheela specta Clark, O'Keefe & Slack, 2023 | |
Unktaheela is an extinct genus of polycotylid plesiosaur from the Late Cretaceous Sharon Springs Formation of the United States. The genus contains a single species, U. specta, known from two partial skeletons. Unktaheela represents the smallest known polycotylid.