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Trigenicus

Mammalia - Protoceratidae

Taxonomy
Trigenicus was named by Douglass (1903) [treated as a synonym of Leptotragulus by Tabrum and Nichols 2001, but without discussion of Storer 1996]. It is not extant.

It was assigned to Merycoidodontidae by Scott (1940); and to Protoceratidae by Douglass (1903), Storer (1996) and Prothero (1998).

Synonymy list
YearName and author
1903Trigenicus Douglass
1940Trigenicus Scott p. 710
1996Trigenicus Storer p. 251
1998Trigenicus Prothero

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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
RankNameAuthor
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Ruminantiamorpha
familyProtoceratidae
genusTrigenicus

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.

G. †Trigenicus Douglass 1903
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Trigenicus profectus Matthew 1903
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Invalid names: Trigenicus socialis Douglass 1903 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 14:39:46
Modified: 2009-01-07 18:24:42
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Hendy et al. 2009, Carroll 1988, Prothero 1998, Nowak 1999

Age range: Chadronian or 37.20000 to 33.90000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9Canada (Saskatchewan) T. profectus (16919 16979)
Chadronian37.2 - 33.9USA (Montana) Leptotragulus profectus (16935 16959 16988 16989 17010) T. socialis (17028)
Chadronian37.2 - 33.9USA (Nebraska) Leptotragulus profectus (17031)
Chadronian37.2 - 33.9USA (Wyoming) Leptotragulus profectus (16960 16961 16962 16963)
Chadronian37.2 - 33.9USA (South Dakota) Leptotragulus profectus (17006)
Middle Chadronian37.2 - 33.9Canada (Saskatchewan) T. profectus (16928)