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Theropithecus oswaldi

Theropithecus oswaldi
Temporal range: Pleistocene
Fragmented jaw
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Cercopithecidae
Genus: Theropithecus
Species:
†T. oswaldi
Binomial name
†Theropithecus oswaldi
(Andrews, 1916)
Subspecies
  • †T. o. oswaldi
  • † T. o. ecki
Synonyms
  • Simopithecus oswaldi Andrews, 1916
  • Simopithecus jonathoni

Theropithecus oswaldi is an extinct species of Theropithecus from the early to middle Pleistocene of Kenya, Ethiopia, Tanzania, South Africa, Spain, Morocco and Algeria.[1] The species went extinct in South Africa around 1.0 Ma.[2] Having existed alongside hominins like Homo erectus, it is likely that conflict with early humans played a role in their extinction as a site has been found with many juveniles butchered.[3][4]

Description

It is remarkable for its large size compared to other Old World monkeys. One source projects a specimen of Theropithecus oswaldi to have weighed 72 kg (159 lb).[5] Postcranial fossils found of this species are much greater in size than extant papionins, including the mandrill.[6]

Palaeoecology

According to δ13C values from fossils of the species from Swartkrans, it was a specialised grazer.[7] A dental microwear study based on fossils from the Omo Valley suggests that the diet of T. oswaldi, like that of the modern day gelada, consisted primarily of the aerial parts of herbaceous monocots and dicots.[8] T. oswaldi fossils are also known from Elandsfontein,[9] where they subsided on diets mainly composed of C3 plants as both browsers and grazers.[10]

References

  1. ^ "The Paleobiology Database". Retrieved 11 August 2013.
  2. ^ Faith, J.T., 2014. "Late Pleistocene and Holocene mammal extinctions on continental Africa". Earth-Science Reviews 128: 105–121
  3. ^ Shipman, Pat; Bosler, Wendy (June 1981). "Butchering of Giant Geladas at an Acheulian Site". Current Anthropology. 22: 257–288. doi:10.1086/202663. JSTOR 2742201. S2CID 87006937.
  4. ^ Getahun, D. A., Delson, E., & Seyoum, C. M. (2023). "A review of Theropithecus oswaldi with the proposal of a new subspecies". Journal of Human Rvolution, 180, 103373. doi:10.1016/j.jhevol.2023.103373
  5. ^ Jablonski, Nina; Leakey, Meave; Anton, Mauricio (1 January 2008), Jablonski, N.G. Leakey, M.G. and Anton, M. (2008) Systematic "Paleontology of the Cercopithecines". In: Jablonski, N.G. and Leakey, M.G. (eds.) Koobi Fora Research Project. Vol. 6. "The Fossil Monkeys". California Academy of Sciences, San Francisco, pp. 103–300, pp. 103–300, retrieved 3 May 2020
  6. ^ Geraads, Denis; de Bonis, Louis (6 Feb 2020). "First record of Theropithecus (Cercopithecidae) from the Republic of Djibouti". Journal of Human Evolution. 138: 102686. Bibcode:2020JHumE.13802686G. doi:10.1016/j.jhevol.2019.102686. PMID 31759254. S2CID 208254366.
  7. ^ van der Merwe, Nikolaas J.; Thackeray, J.Francis; Lee-Thorp, Julia A.; Luyt, Julie (May 2003). "The carbon isotope ecology and diet of Australopithecus africanus at Sterkfontein, South Africa". Journal of Human Evolution. 44 (5): 581–597. doi:10.1016/S0047-2484(03)00050-2. Retrieved 7 September 2024 – via Elsevier Science Direct.
  8. ^ Merceron, Gildas; Kallend, Auria; Francisco, Arthur; Louail, Margot; Martin, Florian; Plastiras, Christos-Alexandros; Thiery, Ghislain; Boisserie, Jean-Renaud (15 June 2021). "Further away with dental microwear analysis: Food resource partitioning among Plio-Pleistocene monkeys from the Shungura Formation, Ethiopia". Palaeogeography, Palaeoclimatology, Palaeoecology. 572: 110414. doi:10.1016/j.palaeo.2021.110414. Retrieved 7 September 2024 – via Elsevier Science Direct.
  9. ^ Forrest, Frances L.; Stynder, Deano D.; Bishop, Laura C.; Levin, Naomi E.; Lehmann, Sophie B.; Patterson, David B.; Matthews, Thalassa; Braun, David R. (February 2018). "Zooarchaeological reconstruction of newly excavated Middle Pleistocene deposits from Elandsfontein, South Africa". Journal of Archaeological Science: Reports. 17: 19–29. doi:10.1016/j.jasrep.2017.10.034. Retrieved 10 September 2024 – via Elsevier Science Direct.
  10. ^ Lehmann, Sophie B.; Braun, David R.; Dennis, Kate J.; Patterson, David B.; Stynder, Deano D.; Bishop, Laura C.; Forrest, Frances; Levin, Naomi E. (1 September 2016). "Stable isotopic composition of fossil mammal teeth and environmental change in southwestern South Africa during the Pliocene and Pleistocene". Palaeogeography, Palaeoclimatology, Palaeoecology. 457: 396–408. doi:10.1016/j.palaeo.2016.04.042. Retrieved 10 September 2024 – via Elsevier Science Direct.


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