PBDB Taxon

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

Cimolomys

Mammalia - Multituberculata - Cimolomyidae

Taxonomy

Cimolomys was named by Marsh (1889). Its type is Cimolomys gracilis. It is the type genus of Cimolomyidae, Cimolomidae.

It was assigned to Tritylodontidae by Marsh (1889); to Plagiaulacinae by Hay (1902); to Ptilodontidae by Simpson (1929), Hay (1930), Wood and Ormsbee (1954); and to Cimolomyidae by Marsh (1889), Sloan and Van Valen (1965), Clemens and Kielan-Jaworowska (1979), Lillegraven and McKenna (1986), McKenna and Bell (1997), Kielan-Jaworowska and Hurum (2001), Kielan-Jaworowska et al. (2004), Wilson et al. (2010).

Species

C. bellus, C. clarki, C. gracilis (syn. C. nitidus, C. digona, Selenacodon brevis, C. diagona) (type species), C. milliensis, C. parvus, C. trochuus

Synonyms

Nanomyops is a genus.

It was synonymized subjectively with Cimolomys by Hay (1902).

Synonymy list

Year	Name and author
1889	Cimolomys Marsh
1902	Cimolomys Hay p. 559
1929	Cimolomys Simpson pp. 107-114
1930	Cimolomys Hay p. 381
1954	Cimolomys Wood and Ormsbee p. 27
1965	Cimolomys Sloan and Van Valen p. 222
1979	Cimolomys Clemens and Kielan-Jaworowska p. 102
1986	Cimolomys Lillegraven and McKenna p. 19
1997	Cimolomys McKenna and Bell
2001	Cimolomys Kielan-Jaworowska and Hurum p. 419
2004	Cimolomys Kielan-Jaworowska et al. pp. 255-328 fig. 8.41A
2010	Cimolomys Wilson et al. p. 508

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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

Rank	Name	Author
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Allotheria	()
order	Multituberculata	Cope 1884
suborder	Cimolodonta	()
family	Cimolomyidae
genus	Cimolomys

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. †Cimolomys Marsh 1889

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†Cimolomys bellus Marsh 1889

†Cimolomys clarki Sahni 1972

†Cimolomys gracilis Marsh 1889

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Invalid names: Cimolomys digona Marsh 1889 [synonym], Cimolomys nitidus Marsh 1889 [synonym], Selenacodon brevis Marsh 1889 [synonym]

†Cimolomys milliensis Eaton 1993

†Cimolomys parvus Marsh 1892

†Cimolomys trochuus Lillegraven 1969

Invalid names: Nanomyops [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialc

Locomotion:

actively mobilec

Life habit:

arborealo

Diet:

herbivoreo

Created:

2005-09-01 17:42:57

Modified:

2005-09-01 19:42:57

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

References: Hopson 1973, Carroll 1988, Jenkins and Krause 1983, Hendy et al. 2009

Age range: base of the Late/Upper Santonian to the top of the Lancian or 85.70000 to 66.00000 Ma

Collections (76 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Santonian	85.7 - 83.6	Canada (Alberta)	C. sp. A (14426) C. sp. A, C. sp. B (14423 14425)
Early/Lower Campanian	83.6 - 72.2	USA (Utah)	C. sp. (14421 14430) C. sp., C. clarki (14429)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (North Carolina)	C. sp. (128412)
Judithian	83.6 - 72.2	Canada (Alberta)	C. sp. (14451)
Judithian	83.6 - 72.2	USA (Texas)	C. clarki (14489) C. sp. (14488)
Judithian	83.6 - 72.2	USA (Utah)	C. milliensis (14475)
Judithian	83.6 - 72.2	USA (Wyoming)	C. clarki (14431 14433 14458 14465 14473)
Late/Upper Campanian	83.6 - 72.2	USA (Montana)	C. clarki (14447)
Late/Upper Campanian	83.6 - 72.2	USA (New Jersey)	C. clarki (14455)
Late/Upper Campanian	83.6 - 72.2	USA (New Mexico)	C. sp. (14472)
Late/Upper Campanian	83.6 - 72.2	USA (Wyoming)	C. clarki (70269 70453 70454)
Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	C. clarki (45897 45899)
Late/Upper Campanian	83.6 - 72.2	USA (Utah)	C. sp. A, C. sp. B (14466)
Middle Campanian	83.6 - 72.2	USA (Montana)	C. clarki (14482)
Middle Campanian	83.6 - 72.2	Canada (Alberta)	C. clarki (45561 45565)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	Canada (Saskatchewan)	C. sp. (14494)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Montana)	C. clarki (14446 14461 14470) C. sp. (14434 14457)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	C. clarki (45819)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Texas)	C. clarki (212186) C. sp. (68003)
Early/Lower Maastrichtian	72.2 - 66.0	Canada (Alberta)	C. gracilis (14502)
Lancian	72.2 - 66.0	USA (Utah)	C. sp. (14599)
Lancian	72.2 - 66.0	USA (Wyoming)	C. digona (14592) C. digona, C. nitidus (14587) C. gracilis (14505 14519 14524 14526 14527 14538 14566 14570 14596) C. nitidus (14511) C. sp. (26626) C. sp., C. digona (14606) C. sp., C. digona, Selenacodon brevis, C. bellus (14591) C. sp., Nanomyops sp. (14567) Nanomyops sp. (14586) Selenacodon brevis, C. parvus (14565 14589)
Lancian	72.2 - 66.0	Canada (Saskatchewan)	C. gracilis (14558 14584)
Lancian	72.2 - 66.0	Canada (Alberta)	C. gracilis (14634) C. gracilis, C. trochuus (14630)
Lancian	72.2 - 66.0	USA (Colorado)	C. sp. (14581 14640 96084)
Lancian	72.2 - 66.0	USA (South Dakota)	C. gracilis (14537 14571)
Lancian	72.2 - 66.0	USA (Montana)	C. gracilis (14516 14523 14549 14576 14582 14653) C. sp. (14532)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Wyoming)	C. gracilis (14585)
Maastrichtian	72.2 - 66.0	USA (Montana)	C. sp. (85499)