Xenotrichini (the Antilles monkeys) is a tribe of extinct primates, which lived on the Greater Antilles as recently as the 16th century.

Temporal range: Miocene-Pleistocene
Paralouatta marianae skull
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Pitheciidae
Subfamily: Callicebinae
Tribe: Xenotrichini
MacPhee & Horovitz, 2004


These Caribbean islands no longer contain endemic primates, although the most recently discovered species, the Hispaniola monkey, was reported to have lived on Hispaniola until the settlement by the Europeans. The relationship of these species is supported by details in the formation of the skull and the lower jaw, such as a reduction in the number of teeth.

The exact timing and causes of extinction are not well-known and their relationship and placement in the parvorder of the New World monkeys is unsure. Originally they were thought to be closely related to the night monkeys, but more recent research as placed them in Callicebinae subfamily, containing the titi monkeys.[1]

So far, five species of Xenotrichini are known:


  1. MacPhee, R. D. E.; Horovitz, I. (14 May 2004). "New craniodental remains of the quaternary Jamaican monkey Xenothrix mcgregori (Xenotrichini, Callicebinae, Pitheciidae), with a reconsideration of the Aotus hypothesis". American Museum Novitates. 3434: 1–51. doi:10.1206/0003-0082(2004)434<0001:NCROTQ>2.0.CO;2.
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