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Mesodma thompsoni

Mammalia - Multituberculata - Neoplagiaulacidae

Taxonomy
Mesodma thompsoni was named by Clemens (1964). Its type locality is Lull 2 Quarry (UCMP V-5620), which is in a Maastrichtian terrestrial sandstone in the Lance Formation of Wyoming.

Sister species lacking formal opinion data
M. antiqua

Synonyms
Synonymy list
YearName and author
1964Mesodma thompsoni Clemens
1965Mesodma thompsoni Sloan and Van Valen p. 222
1979Mesodma thompsoni Clemens and Kielan-Jaworowska p. 101
1982Mesodma garfieldensis Archibald pp. 46-47
2004Mesodma garfieldensis Kielan-Jaworowska et al. pp. 255, 334-335
2004Mesodma thompsoni Kielan-Jaworowska et al. pp. 255, 334-335
2013Mesodma thompsoni Donohue et al. p. 680 fig. 4C

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Allotheria()
orderMultituberculataCope 1884
suborderCimolodonta()
superfamilyPtilodontoidea()
familyNeoplagiaulacidae
genusMesodma
speciesthompsoniClemens 1964

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.

†Mesodma thompsoni Clemens 1964
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Invalid names: Mesodma garfieldensis Archibald 1982 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilep
Life habit: arborealsubo
Diet: omnivoref
Created: 2005-09-11 16:54:47
Modified: 2005-09-11 18:54:47
Source: f = family, subo = suborder, c = class, subp = subphylum, p = phylum
References: Kiessling 2004, Carroll 1988, Hopson 1973, Krause 1982, Gunnell et al. 1995

Age range: base of the Judithian to the top of the Torrejonian or 83.60000 to 60.90000 Ma

Collections (57 total)


Time interval Ma Country or state Original ID and collection number
Judithian83.6 - 72.2USA (Utah) Mesodma thompsoni (14467)
Early/Lower Maastrichtian72.2 - 66.0Canada (Alberta) Mesodma thompsoni (14502)
Lancian72.2 - 66.0USA (Montana) Mesodma thompsoni (14508 14512 14515 14523 14533 14534 14536 14549 14560 14576 14595 14597 14608 14615 14616 172642 172644)
Lancian72.2 - 66.0Canada (Alberta) Mesodma thompsoni (14630 14634 14638)
Lancian72.2 - 66.0Canada (Saskatchewan) Mesodma thompsoni (14558 14655)
Lancian72.2 - 66.0USA (North Dakota) Mesodma thompsoni (14610)
Lancian72.2 - 66.0USA (Wyoming) Mesodma thompsoni (14505 14514 14519 14527 14538 14566 14596 14598 14641 14644)
Lancian72.2 - 66.0USA (South Dakota) Mesodma thompsoni (14537 14604 14612)
Late/Upper Maastrichtian72.2 - 66.0Canada (Saskatchewan) Mesodma garfieldensis (14555)
Late/Upper Maastrichtian72.2 - 66.0USA (North Dakota) Mesodma thompsoni (45099 45137)
Late/Upper Maastrichtian72.2 - 66.0USA (Wyoming) Mesodma thompsoni (type locality: 14585)
Puercan66.0 - 63.8USA (Wyoming) Mesodma garfieldensis (14709 14722)
Puercan66.0 - 63.8USA (Montana) Mesodma garfieldensis (14742 14798) Mesodma thompsoni (14743 14759 14801 14802 14809 193844 231045 231047)
Puercan66.0 - 63.8Canada (Saskatchewan) Mesodma thompsoni (14691)
Puercan66.0 - 63.8USA (New Mexico) Mesodma thompsoni (14760)
Torrejonian63.8 - 60.9USA (Texas) Mesodma thompsoni (14829)