Interrelationships among primate higher taxa

K. Christopher Beard*, Marian Dagosto, Daniel L. Gebo, Marc Godinot

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

One of the most controversial issues in primate palaeontology concerns the phylogenetic position of the extinct primate inf raorder Adapiformes 1,2. During the Eocene, this group of primates of modern aspect possessed a holarctic distribution1-12, and may have been present in the poorly known Palaeogene of Africa10. Mainly on the basis of craniodental morphology, at least four hypotheses have been proposed concerning the phylogenetic interrelationships among adapiforms and other primate higher taxa: (1) that adapiforms are ancestral to both lemuriforms (including Lorisoidea) and anthropoids8-10'13; (2) that adapiforms cannot be shown to possess a special phylogenetic relationship with either lemuriforms14'15 or anthropoids15-18; (3) that adapiforms are the sister taxon of lemuriforms16-18; and (4) that Adapiformes is not a natural, monophyletic group, but rather consists of nested clades within the radiation of lemuriforms19-25. Here, we describe features of the ankle and wrist joints of several adapiform taxa that provide an independent test of the preceding hypotheses. These traits suggest that lemuriforms are monophyletic with respect to known adapiforms, but that adapiforms nevertheless are their stem lineage (sensu Ax26).

Original languageEnglish (US)
Pages (from-to)712-714
Number of pages3
JournalNature
Volume331
Issue number6158
DOIs
StatePublished - 1988

ASJC Scopus subject areas

  • General

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