Biology:Australonyx

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Australonyx
Temporal range: Late Pleistocene (Lujanian)
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Pilosa
Family: Megalonychidae
Genus: Australonyx
De Iuliis et al, 2009
Species:
A. aquae
Binomial name
Australonyx aquae
De Iuliis et al, 2009

Australonyx is an extinct genus of ground sloths, endemic to South America during the Late Pleistocene. It was found in Brazil .[1]

Poço Azul is located in Brazil
Poço Azul
Poço Azul
Poço Azul (Brazil)

Discovery

The holotype specimen was recovered from Poço Azul, an underwater cave system in Nova Redenção, Bahia state. (The same cave also yielded remains of another extinct sloth species, Ahytherium.) The specimen was well preserved, consisting of both the front and back half of the skull (but missing the midsection), the mandible, most of the spine, and some elements from the limbs.[2] Additionally, a nearly identical almost complete skull from Rondônia can be referred to this species.[3]

Ecology

Australonyx is suggested to have been a mixed feeder (both browsing and grazing).[4]

References

  1. "Australonyx in the Paleobiology Database". Fossilworks. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=252386. 
  2. De Iuliis, Gerardo; Pujos, François; Cartelle, Cástor (December 2009). "A new ground sloth (Mammalia: Xenarthra) from the Quaternary of Brazil". Comptes Rendus Palevol 8 (8): 705–715. doi:10.1016/j.crpv.2009.07.003. Bibcode2009CRPal...8..705D. 
  3. De Iuliis, Gerardo; Cartelle, Cástor; Pujos, François (May 2016). "New Pleistocene remains of megalonychid ground sloths (Xenarthra: Pilosa) from the intertropical Brazilian region". Journal of Paleontology 90 (3): 578–587. doi:10.1017/jpa.2016.52. Bibcode2016JPal...90..578D. 
  4. Dantas, Mário A.T.; Santos, Adaiana M.A. (August 2022). "Inferring the paleoecology of the Late Pleistocene giant ground sloths from the Brazilian Intertropical Region" (in en). Journal of South American Earth Sciences 117: 103899. doi:10.1016/j.jsames.2022.103899. Bibcode2022JSAES.11703899D. https://linkinghub.elsevier.com/retrieve/pii/S0895981122001882. 

Wikidata ☰ Q30326629 entry