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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), 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
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
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
—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 mobilep
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, subp = subphylum, p = phylum
References: Prothero 1998, Carroll 1988, Nowak 1999, Lillegraven 1979, Kiessling 2004

Age range: Chadronian or 37.00000 to 33.90000 Ma

Collections (15 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.0 - 33.9Canada (Saskatchewan) T. profectus (16919 16979)
Chadronian37.0 - 33.9USA (South Dakota) Leptotragulus profectus (17006)
Chadronian37.0 - 33.9USA (Nebraska) Leptotragulus profectus (17031)
Chadronian37.0 - 33.9USA (Montana) Leptotragulus profectus (16935 16959 16988 16989 17010) T. socialis (17028)
Chadronian37.0 - 33.9USA (Wyoming) Leptotragulus profectus (16960 16961 16962 16963)
Middle Chadronian37.0 - 33.9Canada (Saskatchewan) T. profectus (16928)