Carpolestes

Carpolestes
Temporal range: Late Paleocene, 61.7–55.8 Ma [1]
Carpolestes simpsoni
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Plesiadapiformes
Family: Carpolestidae
Genus: Carpolestes
Simpson, 1928
Type species
Carpolestes nigridens
Paleospecies[1]

C. dubius Jepsen, 1930
C. nigridens Simpson, 1928
C. simpsoni Bloch and Gingerich, 1998
C. twelvemilensis Mattingly, Sanisidro & Beard, 2017

Carpolestes (from Ancient Greek καρπός (karpós), meaning "fruit", and λῃστής (lēistḗs), meaning "robber", and thus, "fruit robber") is a genus of extinct primate-like mammals from the late Paleocene of North America. It first existed around 58 million years ago. The three species of Carpolestes appear to form a lineage, with the earliest occurring species, C. dubius, ancestral to the type species, C. nigridens, which, in turn, was ancestral to the most recently like a Malagasy giant rat or Pacarana occurring species, C. simpsoni.[1]

Description

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Carpolestes had flattened fingernails on its feet but with claws on its fingers.[2] It appears to have been a distant relative of the Plesiadapiformes, such as Plesiadapis.

Palaeobiology

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Palaeoecology

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Morphologically, Carpolestes supports Robert Sussman's theory of the co-evolution of tropical fruiting angiosperms and early primates where angiosperms provide nectar and fruits in return for dispersing the seed for tropical rainforest plants.[3] The dental microwear of C. dubius and the wedge formed by its mandibular fourth premolar and its trigonid suggests that it was an omnivore with an affinity for frugivory.[4]

References

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  1. ^ a b c Bloch, Jonathan I.; D. C. Fisher; K. D. Rose & Philip D. Gingerich (2001). "Stratocladistic analysis of Paleocene Carpolestidae (Mammalia, Plesiadapiformes) with description of a new late Tiffanian genus". Journal of Vertebrate Paleontology. 21 (1): 119–131. doi:10.1671/0272-4634(2001)021[0119:SAOPCM]2.0.CO;2. S2CID 86026612.
  2. ^ Helen Pilcher "Flower Child" in New Scientist, The Collection, The Human Story (2014)
  3. ^ Sussman, Robert “Primate origins and the Evolution of Angiosperms” in American Journal of Primatology Vol 23, No.4 (1991) pp209-223
  4. ^ Biknevicius, Audrone R. (October 1986). "Dental function and diet in the carpolestidae (primates, plesiadapiformes)". American Journal of Physical Anthropology. 71 (2): 157–171. doi:10.1002/ajpa.1330710204. ISSN 0002-9483. Retrieved 3 November 2025 – via Wiley Online Library.


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