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Cimolomys gracilis

Mammalia - Multituberculata - Cimolomyidae

Taxonomy
Cimolomys gracilis was named by Marsh (1889) [not Cope, contra some authors; GENOTYPE]. Its type specimen is YPM 11835, a tooth (M1), and it is a 3D body fossil. Its type locality is Mammal Quarry No. 1 (UCMP V-5003), which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming. It is the type species of Cimolomys.

It was recombined as Ptilodus gracilis by Osborn (1893).

Synonyms
Synonymy list
YearName and author
1889Cimolomys digona Marsh
1889Cimolomys gracilis Marsh
1889Selenacodon brevis Marsh
1889Cimolomys gracilis Marsh p. 84
1889Cimolomys digona Marsh p. 177 figs. pl. 7, figs 1-4
1889Selenacodon brevis Marsh p. 177 figs. pl. 7, figs 9-12
1893Ptilodus gracilis Osborn
1897Cimolomys digona Marsh p. 521
1902Cimolomys gracilis Hay p. 559
1902Cimolomys diagona Hay p. 560
1902Meniscoessus brevis Hay p. 560
1930Cimolomys gracilis Hay
1930Cimolomys digona Hay p. 381
1930Meniscoessus brevis Hay p. 382
1937Cimolomys gracilis Simpson
1954Cimolomys gracilis Wood and Ormsbee p. 27
1964Cimolomys gracilis Clemens
1969Cimolomys gracilis Lillegraven
1974Cimolomys gracilis Sloan and Russell
1979Cimolomys gracilis Clemens and Kielan-Jaworowska p. 102
1986Cimolomys gracilis Lillegraven and McKenna p. 22
1991Cimolomys gracilis Storer
2004Cimolomys gracilis Kielan-Jaworowska et al. pp. 255, 328

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
familyCimolomyidae
genusCimolomys
speciesgracilis

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.

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

Age range: Lancian or 72.20000 to 66.00000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Maastrichtian72.2 - 66.0Canada (Alberta) Cimolomys gracilis (14502)
Lancian72.2 - 66.0Canada (Alberta) Cimolomys gracilis (14630 14634)
Lancian72.2 - 66.0USA (Wyoming) Cimolomys digona (14592 14606) Cimolomys digona, Cimolomys nitidus (14587) Cimolomys digona, Selenacodon brevis (14591) Cimolomys gracilis (14505 14519 14524 14526 14527 14538 14566 14570 14596) Cimolomys nitidus (14511) Selenacodon brevis (type locality: 14565 14589)
Lancian72.2 - 66.0USA (Montana) Cimolomys gracilis (14516 14523 14549 14576 14582 14653)
Lancian72.2 - 66.0USA (South Dakota) Cimolomys gracilis (14537 14571)
Lancian72.2 - 66.0Canada (Saskatchewan) Cimolomys gracilis (14558 14584)
Late/Upper Maastrichtian72.2 - 66.0USA (Wyoming) Cimolomys gracilis (14585)