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Triisodontidae

Mammalia - Acreodi - Triisodontidae

Taxonomy
Triisodontidae was named by Scott (1892). Its type is Triisodon. It was considered paraphyletic by Zhou et al. (1995).

It was reranked as the subfamily Triisodontinae by Matthew (1937) and Zhou et al. (1995).

It was assigned to Mesonychidae by Matthew (1937); to Mesonychia by Zhou et al. (1995); and to Acreodi by McKenna and Bell (1997) and Tabuce et al. (2011).

Synonymy list
YearName and author
1892Triisodontidae Scott p. 300
1937Triisodontinae Matthew p. 74
1995Triisodontinae Zhou et al. p. 394
1997Triisodontidae McKenna and Bell p. 366
2011Triisodontidae Tabuce et al. p. 152

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
RankNameAuthor
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
orderAcreodiMatthew 1909
familyTriisodontidae
familyTriisodontidae

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: omnivoref
Comments: morphology suggests "omnivory with some degree of carnivory and/or carrion-feeding"f
Created: 2011-04-24 19:43:41
Modified: 2011-04-24 04:43:41
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Tabuce et al. 2011, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range: base of the Puercan to the top of the Tiffanian or 66.00000 to 56.80000 Ma

Collections (38 total)


Time interval Ma Country or state Original ID and collection number
Puercan66.0 - 63.3Canada (Saskatchewan) Eoconodon sp. (14768)
Puercan66.0 - 63.3USA (Wyoming) Eoconodon sp. (14710 14731 14808) Triisodontinae indet. (14805)
Puercan66.0 - 63.3USA (Montana) Eoconodon hutchisoni (14799) Eoconodon nidhoggi (14745) Eoconodon nidhoggi, Eoconodon hutchisoni (14738) Eoconodon sp., Eoconodon sp. (14766)
Puercan66.0 - 63.3USA (New Mexico) Eoconodon coryphaeus (14662) Eoconodon coryphaeus, Eoconodon gaudrianus (14703) Eoconodon gaudrianus (14794) Eoconodon sp., Eoconodon coryphaeus, Eoconodon gaudrianus, Eoconodon ginibitohia (14760)
Puercan66.0 - 63.3USA (Utah) Eoconodon sp. (14791) Goniacodon hiawathae (14790)
Paleocene66.0 - 56.0USA (Montana) Eoconodon hutchisoni (140079)
Torrejonian63.3 - 61.7USA (Utah) Goniacodon sp. (14830)
Torrejonian63.3 - 61.7Canada (Alberta) Goniacodon levisanus (143200)
Torrejonian63.3 - 61.7USA (New Mexico) Goniacodon levisanus (14812 14825 14832 14893) Goniacodon levisanus, Triisodon crassicuspis, Triisodon quivirensis (14824) Goniacodon levisanus, Triisodon quivirensis (14865 14891 14892) Triisodon antiquus (14862) Triisodon quivirensis (14834 14873 14890) Triisodon sp. (14868) Triisodon sp., Goniacodon levisanus (14815 14816)
Torrejonian63.3 - 61.7USA (Wyoming) Goniacodon levisanus (14886 14912)
Tiffanian61.7 - 56.8USA (Montana) Goniacodon levisanus (15010 133180) Stelocyon arctylos (15020)