Eutatus

Eutatus is an extinct genus of large armadillos of the family Dasypodidae. It was endemic to South America from the Early Miocene to Late Pleistocene, living from 17.5 Ma-11,000 years ago, with possible survival into the early Holocene (~ 7,500 BP)[2] and existing for approximately 17.49 million years.[1] Based on carbon isotope ratios, it is thought to have been an herbivore that fed on grasses.[2]

Eutatus seguini skull

Eutatus
Temporal range: Early Miocene-Late Pleistocene (Santacrucian-Lujanian)
~17.5–0.012 Ma
Eutatus punctatus skeleton
Eutatus punctatus armour
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Cingulata
Family: Dasypodidae
Genus: †Eutatus
Gervais 1867
Species[1]

Taxonomy

Eutatus was named by Gervais (1867). The type species is E. seguini. It was assigned to Dasypodidae by Carroll (1988).[3]

Fossil distribution

The fossil remains are confined to Argentina and have been found in the Santacrucian Santa Cruz Formation,[4] Ensenadan Miramar Formation,[5] and the Lujanian Luján Formation.[6]

  • Limbs
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References
  1. Eutatus at Fossilworks.org
  2. Prado, J. L.; Martinez-Maza, C.; Alberdi, M. T. (2015). "Megafauna extinction in South America: A new chronology for the Argentine Pampas". Palaeogeography, Palaeoclimatology, Palaeoecology. 425: 41–49. doi:10.1016/j.palaeo.2015.02.026.
  3. R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W.H. Freeman and Company
  4. Coy Inlet at Fossilworks.org
  5. Punta Hermengo at Fossilworks.org
  6. Paso Otero-Pardo at Fossilworks.org
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