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Mesodma pygmaea

Osteichthyes - Multituberculata - Neoplagiaulacidae

Taxonomy
Mesodma pygmaea was named by Sloan (1987). Its type locality is Gidley Quarry, which is in a Torrejonian terrestrial horizon in the Fort Union Formation of Montana.

Sister species lacking formal opinion data
M. antiqua

Synonymy list
YearName and author
1987Mesodma pygmaea Sloan

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
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
speciespygmaea

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 pygmaea Sloan 1987
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
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
References: Hopson 1973, Gunnell et al. 1995, Carroll 1988, Hendy et al. 2009, Krause 1982

Age range: base of the Torrejonian to the top of the Ti1 or 63.40000 to 57.50000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
To263.4 - 60.9Canada (Alberta) Mesodma pygmaea (14894)
Torrejonian63.4 - 60.9USA (Montana) Mesodma pygmaea (14874 type locality: 14906)
Torrejonian63.4 - 60.9USA (Wyoming) Mesodma pygmaea (14896 14912)
Torrejonian63.4 - 60.9USA (Texas) Mesodma pygmaea (14948)
Ti160.9 - 57.5Canada (Alberta) Mesodma pygmaea (14939)
Ti360.9 - 57.5Canada (Alberta) Mesodma pygmaea (14992)
Ti460.9 - 57.5Canada (Saskatchewan) Mesodma pygmaea (14978)
Tiffanian60.9 - 57.5USA (North Dakota) Mesodma sp. (14931)
Tiffanian60.9 - 57.5USA (Wyoming) Mesodma pygmaea (14952 14989 15067)
Tiffanian60.9 - 57.5Canada (Alberta) Mesodma pygmaea (14959 14973 14995)
Tiffanian60.9 - 57.5USA (Montana) Mesodma pygmaea (15025 15064)