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Mylagaulidae; Fossil range: 28–5 Ma PreЄ Є O S D C P T J K Pg N Late Oligocene - Early Pliocene
	Reconstruction of Ceratogaulus hatcheri
Conservation status
	Fossil
Scientific classification
Kingdom:	Animalia;
Phylum:	Chordata;
Class:	Mammalia;
Infraclass:	Eutheria;
Superorder:	Euarchontoglires;
Order:	Rodentia;
Suborder:	Sciuromorpha;
Superfamily:	Aplodontoidea;
Family:	†Mylagaulidae; Cope, 1881
Subfamilies
	Mesogaulinae; Mylagaulinae; Promylagaulinae; and see text

The Mylagaulidae or mylagaulids are a prehistoric family of sciuromorph rodents. They are known from the Neogene of North America and China^[1]. The oldest member is the Late Oligocene Trilaccogaulus montanensis from living some 29 mya (million years ago), and the youngest was Ceratogaulus hatcheri - formerly in Epigaulus - which was found barely into the Pliocene, some 5 mya^[2].

[edit] Systematics

Three subfamilies are recognized. The taxonomy of Galbreathia is not resolved; it might belong into the Mylagaulinae but lacks the characteristic apomorphies^[2].

Wikimedia Commons has media related to: Mylagaulidae

Hopkins, Samantha S.B. (2005): The evolution of fossoriality and the adaptive role of horns in the Mylagaulidae (Mammalia: Rodentia). Proc. R. Soc. B 272(1573): 1705-1713. doi:10.1098/rspb.2005.3171 PDF fulltext
McKenna, M. C, and S. K. Bell (1997): Classification of Mammals Above the Species Level. Columbia University Press. ISBN 023111012X

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