Biology:Eurygnathohippus

From HandWiki

Eurygnathohippus is an extinct genus of hipparionine horse.[1][2] The majority of known fossils of members of this genus were discovered in Africa, where members of this genus lived during the late Miocene to Pleistocene interval.[2][3] Fossils of Eurygnathohippus were also reported from the late Pliocene sediments of the Potwar Plateau in Pakistan and the Siwalik Hills in northwest India.[4]

Palaeobiology

Life history

The osteohistology of E. hooijeri from Langebaanweg suggests that it had a slow life history, with its ages of weaning, skeletal maturity, and reproductive maturity being reached relatively late when compared to extant members of Equus and to three-toed equids in Europe. Adults of the species had low extrinsic mortality, but juveniles would have experienced high mortality rates.[5]

References

  1. Armour-Chelu, M.; Bernor, R. L. (2011). "Equidae". Paleontology and Geology of Laetoli: Human Evolution in Context. Vertebrate Paleobiology and Paleoanthropology. pp. 295–326. doi:10.1007/978-90-481-9962-4_12. ISBN 978-90-481-9961-7. 
  2. 2.0 2.1 Cite error: Invalid <ref> tag; no text was provided for refs named BernorGilbert2013
  3. "Fossilworks: Eurygnathohippus". https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=133118. 
  4. Advait Mahesh Jukar; Boyang Sun; Avinash C. Nanda; Raymond L. Bernor (2019). "The first occurrence of Eurygnathohippus Van Hoepen, 1930 (Mammalia, Perissodactyla, Equidae) outside Africa and its biogeographic significance". Bollettino della Società Paleontologica Italiana 58 (2): 171–179. doi:10.4435/BSPI.2019.13. https://www.researchgate.net/publication/335022418. 
  5. Nacarino-Meneses, Carmen; Chinsamy, Anusuya (2 November 2022). "Mineralized-tissue histology reveals protracted life history in the Pliocene three-toed horse from Langebaanweg (South Africa)" (in en). Zoological Journal of the Linnean Society 196 (3): 1117–1137. doi:10.1093/zoolinnean/zlab037. ISSN 0024-4082. https://academic.oup.com/zoolinnean/article/196/3/1117/6329104. Retrieved 28 February 2026. 

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