''Caribicus anelpistus'', the Altagracia giant galliwasp, is a possibly

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...

of the

Diploglossidae Diploglossidae is a family of anguimorph lizards native to the Americas, with most genera being endemic to Hispaniola. Most members of this family (aside from the legless genus '' Ophiodes'') are known as galliwasps. They were formerly considered ...

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the

Dominican Republic The Dominican Republic ( ; es, República Dominicana, ) is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares wit ...

on the

Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se ...

island of

Hispaniola Hispaniola (, also ; es, La Española; Latin and french: Hispaniola; ht, Ispayola; tnq, Ayiti or Quisqueya) is an island in the Caribbean that is part of the Greater Antilles. Hispaniola is the most populous island in the West Indies, and th ...

Taxonomy

Along with the other members of its genus, it was formerly classified in the genus ''

Celestus ''Celestus'' is a genus of diploglossid lizards endemic to Jamaica and containing about 11 species, though three of these may be extinct. Formerly, this genus had more than 31 species, but a 2021 phylogenetic study found this classification to ...

''.

Conservation

Due to

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

and

small Indian mongoose The small Indian mongoose (''Urva auropunctata'') is a mongoose species native to Iraq and northern South Asia; it has also been introduced to many regions of the world, such as several Caribbean and Pacific islands. Taxonomy ''Mangusta auropun ...

predation, it is considered critically endangered, if not extinct. Known only from the

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several ...

, it has not been seen since 1977 in San Cristobal Province, though a giant galliwasp sighted in the vicinity of

Jarabacoa Jarabacoa is a town and the second largest municipality in La Vega Province, Dominican Republic. History The indigenous Taino people originally inhabited the valley of Jarabacoa. It is assumed that the town's name was formed out of the words ...

in 2004 may be this species.

References

{{Taxonbar, from=Q2943926 Caribicus Reptiles described in 1979 Reptiles of the Dominican Republic Endemic fauna of the Dominican Republic Species known from a single specimen