First skull of Antillothrix bernensis, an extinct relict monkey from the Dominican Republic

Alfred L. Rosenberger, Siobhan Cooke, Renato Rímoli, Xijun Ni, Luis Cardoso

Research output: Contribution to journalArticle

Abstract

The nearly pristine remains of Antillothrix bernensis, a capuchin-sized (Cebus) extinct platyrrhine from the Dominican Republic, have been found submerged in an underwater cave. This represents the first specimen of an extinct Caribbean primate with diagnostic craniodental and skeletal parts in association, only the second example of a skull from the region, and one of the most complete specimens of a fossil platyrrhine cranium yet discovered. Cranially, it closely resembles living cebines but is more conservative. Dentally, it is less bunodont and more primitive than Cebus, with crowns resembling Saimiri (squirrel monkeys) and one of the oldest definitive cebines, the late Early Miocene Killikaike blakei from Argentina. The tricuspid second molar also resembles the enigmatic marmosets and tamarins, whose origins continue to present a major gap in knowledge of primate evolution. While the femur is oddly short and stout, the ulna, though more robust, compares well with Cebus. As a member of the cebid clade, Antillothrix demonstrates that insular Caribbean monkeys are not monophyletically related and may not be the product of a single colonizing event. Antillothrix bernensis is an intriguing mosaic whose primitive characters are consistent with an early origin, possibly antedating the assembly of the modern primate fauna in greater Amazonia during the La Venta horizon. While most Greater Antillean primate specimens are quite young geologically, this vanished radiation, known from Cuba (Paralouatta)and Jamaica (Xenothrix) as well as Hispaniola, appears to be composed of long-lived lineages like several other mainland clades.

Original languageEnglish (US)
Pages (from-to)67-74
Number of pages8
JournalProceedings of the Royal Society B: Biological Sciences
Volume278
Issue number1702
DOIs
StatePublished - Jan 7 2011
Externally publishedYes

Fingerprint

Dominican Republic
Cebus
skull
Skull
primate
Primates
Haplorhini
monkeys
Saimiri
Callitrichidae
Hispaniola
Jamaica
Callithrix
Caves
Ulna
Cuba
cranium
ulna
Argentina
Amazonia

Keywords

  • Antillothrix
  • Caribbean
  • Dominican Republic
  • Fossil primates
  • Island relicts
  • Platyrrhines

ASJC Scopus subject areas

  • Medicine(all)
  • Immunology and Microbiology(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)

Cite this

First skull of Antillothrix bernensis, an extinct relict monkey from the Dominican Republic. / Rosenberger, Alfred L.; Cooke, Siobhan; Rímoli, Renato; Ni, Xijun; Cardoso, Luis.

In: Proceedings of the Royal Society B: Biological Sciences, Vol. 278, No. 1702, 07.01.2011, p. 67-74.

Research output: Contribution to journalArticle

Rosenberger, Alfred L. ; Cooke, Siobhan ; Rímoli, Renato ; Ni, Xijun ; Cardoso, Luis. / First skull of Antillothrix bernensis, an extinct relict monkey from the Dominican Republic. In: Proceedings of the Royal Society B: Biological Sciences. 2011 ; Vol. 278, No. 1702. pp. 67-74.
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