galliwasp:
The Jamaica giant galliwasp (Celestus occiduus) is a species of lizard in the Anguidae family. It was endemic to Jamaica. It was last recorded in 1840 and is now extinct, likely exterminated by introduced predators like mongooses. [Wikipedia]
Reference found on Expedia, where their commemorating lost species, via Treehugger.com:
The coldblooded Giant Galliwasp would sun itself in the tropical heat of Jamaica, becoming one of the most iconic animals on the island due to its large size for a reptile – it grew to over 60cm in total length. When settlers arrived, bringing dogs, cats and mongooses, they upset the delicate balance of the island’s ecosystem, causing the death of the species.