Oxyacodon

Oxyacodon Temporal range: 66–63  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Early Paleocene
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
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

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). 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

1. PaleoBiology Database: Oxyacodon, basic info

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