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Herpetotherium knighti

Mammalia

Taxonomy
Peratherium knighti was named by McGrew et al. (1959). Its type locality is Hyopsodus Hill, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

It was recombined as Herpetotherium knighti by Rothecker and Storer (1996), Dawson and Constenius (2018).

Synonyms
Synonymy list
YearName and author
1872Entomacodon minutus Marsh p. 214
1872Centracodon delicatus Marsh p. 215
1902Centracodon delicatus Hay p. 740
1902Entomacodon minutus Hay p. 741
1930Centracodon delicatus Hay p. 428
1930Entomacodon minutus Hay p. 435
1959Peratherium knighti McGrew et al.
1962Peratherium morrisi Gazin
1973Peradectes morrisi Setoguchi
1996Herpetotherium knighti Rothecker and Storer
2018Herpetotherium knighti Dawson and Constenius p. 36

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
—Marsupialiformes
—Marsupialia()
—Herpetotheriidae(Trouessart 1879)
genusHerpetotherium
speciesknighti()

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.

†Herpetotherium knighti McGrew et al. 1959
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Invalid names: Centracodon delicatus Marsh 1872 [synonym], Entomacodon minutus Marsh 1872 [synonym], Peratherium morrisi Gazin 1962 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2011-04-28 21:40:09
Modified: 2011-04-28 06:40:09
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Lillegraven 1979, Carroll 1988, Clemens 1979, Hopson 1973, Sánchez-Villagra et al. 2007

Age range: base of the Bridgerian to the top of the Duchesnean or 50.30000 to 37.00000 Ma

Collections (65 total)


Time interval Ma Country or state Original ID and collection number
Bridgerian50.3 - 46.2USA (Wyoming) Peratherium knighti (16090 16098 16108 16109 16113 16219 16227 type locality: 16244 16306 16345 16365 16370 16393 16499 16502 16647) Peratherium morrisi (16198)
Early/Lower Uintan46.2 - 39.7USA (Wyoming) Herpetotherium knighti (93087 186964 186966 186968)
Early/Lower Uintan46.2 - 39.7USA (Colorado) Peratherium knighti (16623)
Early/Lower Uintan46.2 - 39.7USA (California) Peratherium knighti (16669 16677 16681 16682 16697 16702 16705 16706 16707 16709 16710 16711 16713 16714 16715 16716 16718 16719 16737 16738 16745 16746 16747 16748 16751 16752)
Late/Upper Uintan46.2 - 39.7USA (Montana) Peratherium knighti (16584)
Late/Upper Uintan46.2 - 39.7Canada (Saskatchewan) Peratherium knighti (16626)
Uintan46.2 - 39.7USA (Wyoming) Peratherium knighti (16513 16514 16515 16516 16517 16576)
Uintan46.2 - 39.7USA (Montana) Herpetotherium knighti (222922)
Uintan46.2 - 39.7USA (California) Peratherium knighti (16786 16789 16791)
Late/Upper Uintan - Duchesnean46.2 - 37.0USA (California) Peratherium knighti (16616)
Uintan - Duchesnean46.2 - 37.0USA (California) Peratherium knighti (16533)
Duchesnean39.7 - 37.0Canada (Saskatchewan) Peratherium knighti (16845)
Duchesnean39.7 - 37.0USA (Wyoming) Peratherium knighti (16826 16884)