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''Insulacebus'' is an extinct monotypic
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
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 Ceboidea ( ...
found on the 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 ...
from
Late Quaternary The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene together ...
deposits. Fossils of the
type species In 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 species that contains the biological type specimen ...
''Insulacebus toussaintiana'' have been recovered from the Plain of Formon, Department du Sud, southwestern
Haiti Haiti (; ht, Ayiti ; French: ), officially the Republic of Haiti (); ) and formerly known as Hayti, is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea, east of Cuba and Jamaica, and ...
. 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.


See also

* Fossil primates of Central and South America and the Caribbean * Hispaniola monkey of the Dominican Republic *
Jamaican monkey The Jamaican monkey (''Xenothrix mcgregori'') is an extinct species of New World monkey that was endemic to Jamaica. It was first uncovered at Long Mile Cave by Harold Anthony in 1920. Discovery Harold Anthony is responsible for many species ...
of Jamaica * ''
Paralouatta ''Paralouatta'' is a platyrrhine genus that currently contains two extinct species of small primates that lived on the island of Cuba. Description ''Paralouatta varonai'' was described from a nearly complete cranium from the late Quaternary ...
'' of Cuba


References

Night monkeys Prehistoric monkeys Holocene extinctions Monotypic prehistoric primate genera 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