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Oldfieldthomasiidae

Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Mammalia
Subclassis: Theria
Infraclassis: Placentalia
Superordo: †Meridiungulata
Ordo: †Notoungulata
Subordo: †Typotheria
Familis: Oldfieldthomasiidae

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Oldfieldthomasiidae is an extinct family of notoungulate mammals known from the Paleocene and Eocene of South America[1].

References

1. ^ McKenna, Malcolm C., and Bell, Susan K. 1997. Classification of Mammals Above the Species Level. Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8

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Source: Wikispecies, Wikipedia: All text is available under the terms of the GNU Free Documentation License