Oldfieldthomasiidae

Oldfieldthomasiidae Temporal range: Late Paleocene-Late Eocene ~58.7–33.9  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	† Notoungulata
Suborder:	† Typotheria
Family:	† Oldfieldthomasiidae Simpson, 1945
Genera
† Allalmeia † Brachystephanus † Camargomendesia † Colbertia † Dolichostylodon † Itaboraitherium † Kibenikhoria † Maxschlosseria † Oldfieldthomasia † Paginula † Suniodon † Tsamnichoria † Ultrapithecus † Xenostephanus
Synonyms
Acoelodidae Ameghino 1901

Oldfieldthomasiidae is an extinct family of notoungulate mammals known from the Late Paleocene to Late Eocene of South America. ^[1] The family was classified by George Gaylord Simpson in 1945 and a synonym is Acoelodidae, defined by Florentino Ameghino in 1901. ^[2]

Etymology

The family is named after British zoologist Oldfield Thomas.

Fossils

Fossils of the family Oldfieldthomasiidae have been found in southern South America, in Argentina, Bolivia, Brazil and Chile. ^[2]

References

1. McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. Columbia University Press, New York. pp. 1–631. ISBN   0-231-11013-8.
2. Oldfieldthomasiidae at Fossilworks.org