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Hyaenodon horridus

Mammalia - Creodonta - Hyaenodontidae

Taxonomy
Hyaenodon horridus was named by Leidy (1853).

It was recombined as Neohyaenodon horridus by Thorpe (1922).

Sister species lacking formal opinion data
H. aymardi, H. compressus, H. requieni, H. matthewsi

Synonymy list
YearName and author
1853Hyaenodon horridus Leidy p. 392
1857Hyaenodon horridus Leidy p. 90
1892Hyaenodon horridus Scott p. 317
1902Hyaenodon horridus Hay p. 758
1922Neohyaenodon horridus Thorpe
1936Hyaenodon horridus Scott and Jepsen
1953Hyaenodon horridus Galbreath
1966Hyaenodon horridus Van Valen
1977Hyaenodon horridus Mellett
1986Hyaenodon horridus Gustafson
1996Hyaenodon horridus Polly
1998Hyaenodon horridus Gunnell

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
orderCreodonta()
orderHyaenodonta()
superfamilyHyaenodontoideaLeidy 1869
familyHyaenodontidaeLeidy 1869
subfamilyHyaenodontinaeTrouessart 1885
genusHyaenodonLaizer and Parieu 1838
specieshorridus

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.

†Hyaenodon horridus Leidy 1853
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoreg
Reproduction: viviparoussubc
Created: 2009-01-04 14:30:16
Modified: 2009-01-04 16:30:16
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Gunnell 1998, Ji et al. 2002, Hendy et al. 2009, Van Valkenburgh 1988

Age range: base of the Chadronian to the top of the Whitneyan or 37.20000 to 30.80000 Ma

Collections (19 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9USA (New Mexico) Hyaenodon horridus (17002)
Chadronian37.2 - 33.9Canada (Saskatchewan) Hyaenodon horridus (16919 17023)
Chadronian37.2 - 33.9USA (South Dakota) Hyaenodon cruentus (16938 17006) Hyaenodon horridus (16885)
Chadronian37.2 - 33.9USA (Texas) Hyaenodon horridus (17030)
Chadronian37.2 - 33.9USA (Wyoming) Hyaenodon horridus (16942 16943 17045)
Orellan33.9 - 33.3USA (South Dakota) Hyaenodon cruentus (17295) Hyaenodon horridus (17133 17153)
Orellan33.9 - 33.3USA (Wyoming) Hyaenodon horridus (17104 17105 17106)
Orellan33.9 - 33.3USA (Colorado) Hyaenodon horridus (17082 17083)
Whitneyan33.3 - 30.8USA (South Dakota) Hyaenodon horridus (17337)