Jamaica Giant Galliwasp
Celestus occiduus
- Critically endangered
- Card rarity: Legendary
- Reptiles

The Jamaican giant galliwasp or sinking galliwasp is a possibly extinct species of lizard in the Diploglossidae. It was endemic to Jamaica. It was last recorded in mid-19th century. Its population was ravaged and likely exterminated by introduced predators like mongooses. Recent surveys, while extensive, have not yet been exhaustive, given the difficulties of access into and around the Black River Morass, leaving room for some hope that the species may persist.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Diploglossidae
- Genus
- Celestus