An Early Miocene anthropoid skull from the Chilean Andes

John J. Flynn, André R. Wyss, Reynaldo Charrier, Carl C. Swisher

Research output: Contribution to journalArticlepeer-review

68 Citations (Scopus)

Abstract

PARTLY because of their poor fossil record, the relationships of neotropical platyrrhine monkeys to other groups of primates and to each other remain perhaps the most poorly known for any major primate clade1. Here we report the discovery of a complete platyrrhine skull from the Andes of central Chile, by far the best preserved Tertiary primate cranium from South America. This find, coupled with recent phylogenetic analyses of higher groups of anthropoid primates2–4, has the potential to revise substantially our understanding of platyrrhine interrelationships, indicating, among other points, significant modification to reconstruction of the ancestral platyrrhine morphotype and a likely African origin for New World monkeys. A 40Ar/39Ar radioisotopic date directly associated with the skull indicates an Early Miocene age5, marking the first report of South American mammals of this age from outside Argentine Patagonia. Finally, this discovery demonstrates the enormous potential of vastly distributed, but virtually untapped, Andean volcaniclastic deposits to yield further insights into the origin and diversification of South American primates.

Original languageEnglish
Pages (from-to)603-607
Number of pages5
JournalNature
Volume373
Issue number6515
DOIs
Publication statusPublished - 16 Feb 1995

ASJC Scopus subject areas

  • Medicine(all)
  • General

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