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Trigodon

Osteichthyes - Notoungulata - Haplodontheriidae

Taxonomy
Trigodon was named by Ameghino (1882). It is not extant.

It was assigned to Haplodontheriidae by Ameghino (1907); to Haplodontidae by Rovereto (1914); and to Toxodontidae by Ameghino (1887), Carroll (1988).

Species
T. gaudryi, T. minor
Entered
by J. Alroy on 2003-01-23; modified by L. van den Hoek Ostende on 2013-04-30

Synonymy list
YearName and author
1882Trigodon Ameghino
1887Trigodon Ameghino p. 46
1907Trigodon Ameghino p. 91
1914Trigodon Rovereto p. 126
1988Trigodon Carroll

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
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
superorderAfrotheria
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderNotoungulata
suborderToxodontiaAmeghino 1887
familyHaplodontheriidae
genusTrigodonAmeghino 1882

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. †Trigodon Ameghino 1882
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†Trigodon gaudryi Ameghino 1887
†Trigodon minor Lydekker 1893
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: grazerg
Reproduction: viviparoussubc
Comments: based on carbon isotope values in table 1g
Created: 2009-01-05 17:14:12
Modified: 2009-01-05 19:14:12
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, MacFadden et al. 1996, Carroll 1988, Lillegraven 1979, Ji et al. 2002

Age range: base of the Tortonian to the top of the Montehermosan or 11.63000 to 3.80000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Tortonian11.63 - 7.246Brazil (Acre) T. sp. (55602)
Early/Lower Pliocene5.333 - 3.6Argentina (Córdoba) T. gaudryi (232470)
Montehermosan5.0 - 3.8Argentina (Buenos Aires) T. gaudryi (13503 83282 199153) T. gaudryi, T. minor (198863)