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Microsyops angustidens

Mammalia - Primates - Microsyopidae

Taxonomy
Cynodontomys angustidens was named by Matthew (1915). Its type specimen is A.M.N.H. No. 15073, a mandible (fragmentary left mandible with P3-M3 and fragment of right mandible with P4-M2), and it is a 3D body fossil. Its type locality is Microsyops angustidens type locality, which is in a Wasatchian terrestrial horizon in the Willwood Formation of Wyoming.

It was recombined as Microsyops angustidens by Szalay (1969), Gunnell (1985) and Gunnell (1989).

Synonyms
Synonymy list
YearName and author
1915Cynodontomys angustidens Matthew
1930Cynodontomys angustidens Hay p. 449
1960Cynodontomys alfi McKenna
1969Microsyops alfi Szalay
1969Microsyops angustidens Szalay
1985Microsyops angustidens Gunnell
1989Microsyops angustidens Gunnell

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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()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—Euarchonta
orderPrimates
familyMicrosyopidaeOsborn and Wortman 1892
subfamilyMicrosyopinaeOsborn and Wortman 1892
genusMicrosyopsLeidy 1872
speciesangustidens()

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.

†Microsyops angustidens Matthew 1915
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Invalid names: Cynodontomys alfi McKenna 1960 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: arborealo
Diet: omnivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 13:27:51
Modified: 2005-08-26 15:27:51
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Carroll 1988, Nowak 1999, Hendy et al. 2009, Ji et al. 2002

Age range: base of the Graybullian to the top of the Early/Lower Eocene or 55.80000 to 48.60000 Ma

Collections (42 total)


Time interval Ma Country or state Original ID and collection number
Graybullian55.8 - 50.3USA (Wyoming) Microsyops angustidens (15701)
Wasatchian55.8 - 50.3USA (Colorado) Cynodontomys alfi (15450 15480 15660 15725 15845 15865 15870 15887) Microsyops angustidens (15357) Microsyops wilsoni (15223 15280)
Wasatchian55.8 - 50.3USA (New Mexico) Microsyops angustidens (15663)
Wasatchian55.8 - 50.3USA (North Dakota) Cynodontomys angustidens (15895)
Wasatchian55.8 - 50.3USA (Wyoming) Cynodontomys angustidens (15455 15656 15723) Microsyops angustidens (15573 15577 15692 15694 15702 15703 15707 15769 15778 15785 15803 15805 15806 15807 15811 15814 46707 46749 46767 46776 46820 46843 type locality: 88209)
Early/Lower Eocene55.8 - 48.6USA (Wyoming) Microsyops angustidens (15700)
Bridgerian50.3 - 46.2USA (Wyoming) Microsyops alfi (16280)