''Insulacebus'' is an extinct monotypic

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

New World monkey New World monkeys are the five families of primates that are found in the tropical regions of Mexico, Central and South America: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae. The five families are ranked together as the Ceboi ...

found on the island of

Hispaniola Hispaniola (, also ) is an island between Geography of Cuba, Cuba and Geography of Puerto Rico, Puerto Rico in the Greater Antilles of the Caribbean. Hispaniola is the most populous island in the West Indies, and the second-largest by List of C ...

from

Late Quaternary The Holocene () is the current geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene together form the Qu ...

deposits. Fossils of the

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

''Insulacebus toussaintiana'' have been recovered from the Plain of Formon, Department du Sud, southwestern

Haiti Haiti, officially the Republic of Haiti, is a country on the island of Hispaniola in the Caribbean Sea, east of Cuba and Jamaica, and south of the Bahamas. It occupies the western three-eighths of the island, which it shares with the Dominican ...

. The body mass of the monkey was estimated between . The dentally primitive ''I. toussaintiana'' was likely derived from a fauna that was evolving on the mainland before the Miocene monkey bed of the Honda Group of central Colombia, and stems from a pre-Middle Miocene colonization from the South American mainland.

References

Night monkeys Prehistoric monkeys Holocene extinctions Monotypic prehistoric primate genera Prehistoric mammals of North America Endemic fauna of Hispaniola Extinct animals of Haiti Mammals of Haiti Mammals of Hispaniola Fossil taxa described in 2011 {{paleo-primate-stub

See also

References