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Mesonyx obtusidens

Mammalia - Acreodi - Mesonychidae

Taxonomy
Mesonyx obtusidens was named by Cope (1872). It is a 3D body fossil. Its type locality is Cottonwood Creek (Lower Bridger), which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming. It is the type species of Mesonyx.

Synonymy list
YearName and author
1872Mesonyx obtusidens Cope p. 460
1888Mesonyx obtusidens Scott p. 155
1902Mesonyx obtusidens Hay p. 750
1902Mesonyx obtusidens Wortman p. 39
1930Mesonyx obtusidens Hay p. 468

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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
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
orderAcreodiMatthew 1909
—Mesonychia
familyMesonychidae
subfamilyMesonychinaeCope 1880
genusMesonyx
speciesobtusidens

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.

†Mesonyx obtusidens Cope 1872
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Reproduction: viviparoussubc
Created: 2005-08-31 14:02:52
Modified: 2005-08-31 16:02:52
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Archibald 1998, Carroll 1988, Lillegraven 1979

Age range: base of the Bridgerian to the top of the Uintan or 50.50000 to 39.70000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Bridgerian50.5 - 46.2USA (Wyoming) Mesonyx obtusidens (16201 type locality: 16205 16228 16491)
Bridgerian50.5 - 46.2USA (Colorado) Mesonyx obtusidens (16240 16241)
Uintan46.2 - 39.7USA (Utah) Mesonyx obtusidens (16646 16656)