Catonyx

Catonyx
Temporal range: Early-Late Pleistocene (Montehermosan-Lujanian)
~2.5–0.010 Ma
↓
Foot bones
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Xenarthra
Family: †Mylodontidae
Subfamily: †Scelidotheriinae
Genus: †Catonyx
Species
  • C. cuvieri Ameghino 1889
  • C. tarijensis Ameghino 1891

Catonyx is an extinct genus of ground sloth of the family Mylodontidae, endemic to South America during the Pleistocene epoch.[1] It lived from 2.5 Ma to about 10,000 years ago, existing for approximately 2.49 million years.[2] The most recent date obtained is about 9600 B.P.[3][4]

Taxonomy

Catonyx was named by Ameghino (1891). It was assigned to Scelidotheriinae by Gaudin (1995).[5]

Fossil distribution

Fossils have been uncovered in Brazil and the San José Formation of Uruguay.

References

  1. ↑ McDonald, H. G.; Perea, D. (2002). "The large scelidothere Catonyx tarijensis (Xenarthra, Mylodontidae) from the Pleistocene of Uruguay". Journal of Vertebrate Paleontology. 22 (3): 677. doi:10.1671/0272-4634(2002)022[0677:TLSCTX]2.0.CO;2. JSTOR 4524258.
  2. ↑ PaleoBiology Database: Catonyx, basic info
  3. ↑ Turvey, Sam (2009). Holocene extinctions. Oxford University Press. pp. 20–33, 42–50, 352. ISBN 0-19-953509-4.
  4. ↑ Fiedal, Stuart (2009). "Sudden Deaths: The Chronology of Terminal Pleistocene Megafaunal Extinction". In Haynes, Gary. American Megafaunal Extinctions at the End of the Pleistocene. Springer. pp. 21–37. doi:10.1007/978-1-4020-8793-6_2. ISBN 978-1-4020-8792-9.
  5. ↑ Gaudin, T. J. (1995). "The ear region of edentates and the phylogeny of the Tardigrada (Mammalia, Xenarthra)". Journal of Vertebrate Paleontology. 15 (3): 672–705. doi:10.1080/02724634.1995.10011255. JSTOR 4523658.

Further reading

  • M. A. T. Dantas and M. H. Zucon. 2007. Occurrence of Catonyx cuvieri (Lund, 1839) (Tardigrada, Scelidotheriinae) in Late Pleistocene–Holocene of Brazil. Revista Brasileira de Paleontologia 10(2):129-132
  • M. A. T. Dantas, M. H. Zucon, and A. M. Ribeiro. 2005. Megafauna Pleistocênica da fazenda elefante, Gararu, Sergipe, Brasil. Geociências 24(3):277-287
  • A. M. Ghilardi, M. A. Fernandes, and M. E. Bichuette. 2011. Megafauna from the Late Pleistocene-Holocene deposits of the Upper Ribeira karst area, southeast Brazil. Quaternary International 245(2):369-378
  • R. P. Lopes and J. C. Pereira. 2010. Fossils of Scelidotheriinae Ameghino, 1904 (Xenarthra, Pilosa) in the Pleistocene deposits of Rio Grande do Sul, Brazil. Gaea: Journal of Geoscience 6(1):44-52
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