Fossil range: Eocene - Miocene
Notharctus Tenebrosus
Notharctus tenebrosus
Scientific classification






Hoffstetter, 1977

Families (extinct)

Adapiformes are an extinct group of primitive primates. The adapiformes dominated much of the northern continents, reaching as far south as northern Africa and tropical Asia. The adapiformes existed from the Eocene epoch to the Miocene epoch. Most of the adapiformes looked similar to living lemurs.

The adapiforms are known from the fossil record only, and it is unclear whether they form a suborder proper, or a paraphyletic grouping. They are usually grouped under the Strepsirrhini semiorder and would as such be ancestral to the lemurs, but not to the Haplorrhini semiorder including monkeys and apes.[1]

Franzen et al. (2009) place the newly-described Darwinius genus in the "Adapoidea group of early primates representative of early haplorhine diversification" so that according to these authors, the adapiforms would not be entirely within the Strepsirrhini lineage as hitherto assumed but qualify as a "missing link" between Strepsirrhini and Haplorrhini.[2]

Classification Edit


  • Beard, K. C., L. Marivaux, S. T. Tun, A. N. Soe, Y. Chaimanee, W. Htoon, B. Marandat, H. H. Aung, and J.-J. Jaeger. 2007. New silvaladapid primates from the Eocene Ponduang Formation of Myanmar and the anthropoid status of Amphipithecidae. Bulletin of Carnegie Museum of Natural History, 39:57-65.
  1. ^ Callum Ross, Richard F. Kay, Anthropoid origins: new visions, Springer, 2004, ISBN 9780306481208, p. 100
  2. ^ Franzen, Jens L.; et al. (2009). "Complete Primate Skeleton from the Middle Eocene of Messel in Germany: Morphology and Paleobiology". PLoS ONE 4 (5): e5723. doi:10.1371/journal.pone.0005723. 

External linksEdit

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