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Microtomarctus conferta

Mammalia - Carnivora - Canidae

Taxonomy
Tephrocyon confertus was named by Matthew (1918). Its type locality is Snake Creek Fauna, which is in a Barstovian/Clarendonian channel sandstone in Nebraska.

It was recombined as Tomarctus confertus by Matthew (1924), Green (1948), Hough (1948) and Downs (1956); it was recombined as Microtomarctus conferta by Wang et al. (1999) and Wang et al. (2008).

Synonyms
Synonymy list
YearName and author
1918Tephrocyon confertus Matthew
1924Tomarctus confertus Matthew
1942Tomarctus paulus Henshaw
1948Tomarctus confertus Green
1948Tomarctus confertus Hough
1956Tomarctus confertus Downs
1999Microtomarctus conferta Wang et al.
2008Microtomarctus conferta Wang et al.

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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()
—Mammaliamorpha
—Mammaliaformes
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
familyCanidae
subfamilyBorophaginae
tribeBorophaginiSimpson 1945
subtribeCynarctina
genusMicrotomarctus
speciesconferta()

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.

†Microtomarctus conferta Matthew 1918
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Invalid names: Tomarctus paulus Henshaw 1942 [synonym]
Diagnosis
ReferenceDiagnosis
P. C. Henshaw 1942 (Tomarctus paulus)Size o:f Tomarctus confertus (Matthew). p4. elongate with protocone. set very :far :forward. Upper molars very wide transversely. Lower dentition di:f:fers :from T. confertus type in narrower with only moderately high cusps. M1 short, not compressed. M2 moderately long and narrow.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Diet 2: omnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-22 19:28:06
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979

Age range: base of the Barstovian to the top of the Clarendonian or 16.30000 to 9.40000 Ma

Collections (35 total)


Time interval Ma Country or state Original ID and collection number
Hemingfordian20.43 - 15.97USA (Colorado) Microtomarctus conferta (17908)
Late/Upper Hemingfordian20.43 - 15.97USA (New Mexico) Microtomarctus conferta (19339 19410)
Barstovian16.3 - 12.5USA (New Mexico) Microtomarctus conferta (19274 19449 19535) Tomarctus confertus (19520)
Barstovian16.3 - 12.5USA (Nevada) Microtomarctus conferta (19014) Tomarctus paulus (19097)
Barstovian16.3 - 12.5USA (Colorado) Microtomarctus conferta (18203)
Barstovian16.3 - 12.5USA (Texas) Microtomarctus conferta (18631)
Barstovian16.3 - 12.5USA (California) Microtomarctus conferta (19314 19356 19364 19366 19422 19432 19457 19458 19463 19548 19557 19615 19616)
Early/Lower Barstovian16.3 - 12.5USA (Nebraska) Microtomarctus conferta (17904 17905 17955 17972 18011 18019) Tomarctus confertus (17911)
Early/Lower Barstovian16.3 - 12.5USA (New Mexico) Tomarctus confertus (19547)
Early/Lower Barstovian - early Late Barstovian16.3 - 12.5USA (California) Microtomarctus conferta (156738)
Barstovian - Clarendonian16.3 - 9.4USA (Nebraska) Tephrocyon confertus (230906)
Late/Upper Miocene11.608 - 5.333USA (Colorado) Tomarctus paula (18846)