Article · Wikipedia archive · Last revised Aug 2, 2026

Oxyacodon

Oxyacodon is an extinct genus of condylarth of the family Periptychidae endemic to North America during the Early Paleocene living from 66 to 63.3 mya, existing for approximately 2.7 million years.

Last revised
Aug 2, 2026
Read time
≈ 1 min
Length
226 w
Citations
2
Source
Oxyacodon
Temporal range: Early Paleocene
A partial jaw from the Willow Creek Formation of Alberta
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Family: Periptychidae
Subfamily: Conacodontinae
Genus: Oxyacodon
Osborn and Earle, 1895
Species
  • O. agapetillus (Cope, 1884)
  • O. apiculatus (type) Osborn and Earle, 1895
  • O. ferronensis Archibald et al., 1983
  • O. marshater Van Valen, 1978
  • O. priscilla Matthew, 1937
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Oxyacodon is an extinct genus of condylarth of the family Periptychidae endemic to North America during the Early Paleocene living from 66 to 63.3 mya, existing for approximately 2.7 million years.1

Taxonomy

Oxyacodon was named by Osborn and Earle (1895).2 Its type is Oxyacodon apiculatus. It was assigned to Periptychidae by Osborn and Earle (1895) and Carroll (1988); and to Conacodontinae by Archibald (1998), Eberle (2003) and Middleton and Dewar (2004).

Fossils have been found dating back to the Puercan stage in New Mexico, Colorado, Utah, Wyoming, Montana, North Dakota and Saskatchewan.

References

References

  • Archibald, J. D.; Rigby, J. K. Jr.; Robison, S. F. (1983). "Systematic revision of Oxyacodon (Condylarthra, Periptychidae) and a description of O. ferronensis n. sp". Journal of Paleontology. 57 (1): 53–72. JSTOR 1304609.