PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Yuomys

Mammalia - Rodentia

Taxonomy

Yuomys was named by Li (1975). Its type is Yuomys cavioides.

It was assigned to Paramyinae by Li (1975); to Chapattimyinae by Averianov (1996); to Ctenodactylidae by McKenna and Bell (1997); to Yuomyinae by Tong (1997); and to Ctenodactyloidea by Li and Meng (2015).

Species

Y. cavioides (type species), Y. eleganes, Y. huangzhuangensis, Y. huheboerhensis, Y. minggangensis, Y. weijingensis, Y. yunnanensis

Synonymy list

Year	Name and author
1975	Yuomys Li
1996	Yuomys Averianov
1997	Yuomys McKenna and Bell
1997	Yuomys Tong
2015	Yuomys Li and Meng

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()

Rank	Name	Author
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Euarchontoglires	Murphy et al. 2001
—	Gliriformes	Wyss and Meng 1996
—	Glires	()
—	Simplicidentata	()
order	Rodentia	Bowdich 1821
—	Ctenohystrica	Huchon et al. 2000
superfamily	Ctenodactyloidea
genus	Yuomys

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Yuomys Li 1975

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†Yuomys cavioides Li 1975

†Yuomys eleganes Wang 1978

†Yuomys huangzhuangensis Shi 1989

†Yuomys huheboerhensis Li and Meng 2015

†Yuomys minggangensis Wang and Zhou 1982

†Yuomys weijingensis Ye 1983

†Yuomys yunnanensis Huang and Zhang 1990

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialsubc

Locomotion:

actively mobilec

Life habit:

ground dwellingo

Diet:

herbivoreo

Reproduction:

viviparoussubc

Created:

2005-08-26 14:04:46

Modified:

2005-08-26 16:04:46

Source: o = order, subc = subclass, c = class, subp = subphylum

References: Carroll 1988, Lillegraven 1979, Ji et al. 2002, Hendy et al. 2009, Nowak 1999

Age range: base of the Bartonian to the top of the Late/Upper Eocene or 41.30000 to 33.90000 Ma

Collections (17 total)

Time interval	Ma	Country or state	Original ID and collection number
Irdinmanhan	56.0 - 37.71	Mongolia	Y. sp. (182485)
Sharamurunian	56.0 - 37.71	China (Henan)	Ischyromyoidea indet. (42563) Y. cavioides (41120)
Early/Lower Eocene - Late/Upper Eocene	55.8 - 33.9	China (Nei Mongol)	Y. sp. (237401)
Middle Eocene	47.8 - 37.71	China (Henan)	Y. cavioides (180849) Y. eleganes (180777)
Middle Eocene	47.8 - 37.71	China (Jiangsu)	Rodentia indet. (37493)
Middle Eocene	47.8 - 37.71	China (Shandong)	Y. huangzhuangensis (175281)
Middle Eocene	47.8 - 37.71	China (Nei Mongol)	Y. cavioides (28786) Y. sp. (174721) Y. sp. A, Y. sp. B, Y. sp. C, Y. huheboerhensis (89041) Y. weijingensis (28792)
Middle Eocene	47.8 - 37.71	Mongolia	Y. sp. (75718 174909)
Bartonian	41.3 - 38.0	China (Henan)	Y. minggangensis (177036)
Late/Upper Eocene	37.2 - 33.9	China (Nei Mongol)	Y. sp. (174913)
Late/Upper Eocene	37.2 - 33.9	China (Yunnan)	Y. yunnanensis (176328)