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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Sciuromorpha

Familia: †Mylagaulidae
Genera: Brachygaulus – Ceratogaulus – Simpligaulus – Tschalimys – ...

Korth, W.W. 2013: Mylagaulid rodents (Mammalia: Rodentia: Mylagaulidae) from the middle Miocene (Barstovian) of New Mexico. Annals of Carnegie Museum 81(4): 233–245. DOI: 10.2992/007.081.0403 Reference page.
Wu, W.-Y. et al. 2013: Mylagaulids (Mammalia: Rodentia) from the early Middle Miocene of northern Junggar Basin. Vertebrata PalAsiatica 51(1): 55-70. Full article (PDF) Reference page.
Hopkins, S.S. 2005: The evolution of fossoriality and the adaptive role of horns in the Mylagaulidae (Mammalia: Rodentia). Proceedings of The Royal Society B 272 (1573): 1705–1713. DOI: doi:10.1098/rspb.2005.3171 Reference page.

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 million years ago (Mya), and the youngest was Ceratogaulus hatcheri—formerly in Epigaulus—which was found barely into the Pliocene, some 5 Mya.[2]

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


Genus Crucimys
Genus Promylagaulus
Genus Trilaccogaulus
Genus Simpligaulus


Genus Mesogaulus - includes Mylagaulodon


Genus Alphagaulus (paraphyletic[2])
Genus Ceratogaulus - includes Epigaulus
Genus Hesperogaulus
Genus Mylagaulus
Genus Pterogaulus
Genus Umbogaulus

incertae sedis

Genus Galbreathia - basal in Mylagaulinae?


McKenna & Bell (1997)

Hopkins (2005)

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[permanent dead link]
McKenna, M. C, and S. K. Bell (1997): Classification of Mammals Above the Species Level. Columbia University Press. ISBN 0-231-11012-X

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