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Hoplophoneus cerebralis

Mammalia - Carnivora - Nimravidae

Taxonomy
Machaerodus cerebralis was named by Cope (1880).

It was recombined as Eusmilus cerebralis by Toohey (1959), Bryant (1984), Fremd (1994) and Bryant (1996); it was recombined as Hoplophoneus cerebralis by Cope (1880), Adams (1896), Hay (1902) and Barrett (2016).

Synonyms
Synonymy list
YearName and author
1880Machaerodus cerebralis Cope
1880Hoplophoneus cerebralis Cope p. 850
1896Hoplophoneus cerebralis Adams
1902Hoplophoneus cerebralis Hay p. 778
1933Hoplophoneus belli Stock
1959Eusmilus belli Toohey
1959Eusmilus cerebralis Toohey
1963Ekgmoiteptecela olsontau Macdonald
1963Hoplophoneus belli Macdonald
1963Machaerodus cerebralis Macdonald
1984Eusmilus cerebralis Bryant
1994Eusmilus cerebralis Fremd
1996Eusmilus cerebralis Bryant
2016Hoplophoneus cerebralis Barrett p. 58

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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()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderFeliformiaKretzoi 1945
familyNimravidaeCope 1880
tribeHoplophoneiniKretzoi 1929
genusHoplophoneusCope 1874
speciescerebralis(Cope 1880)

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.

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Invalid names: Ekgmoiteptecela olsontau Macdonald 1963 [synonym], Hoplophoneus belli Stock 1933 [synonym]
Diagnosis
ReferenceDiagnosis
P. Z. Barrett 2016Characters of Hoplophoneus plus: sutural contact present between the lacrimal and jugal; medial ridge of palate present; postglenoid foramen absent; anterior and posterior lip of the glenoid socket project equally ventrally; braincase, disregarding the sagittal crest, and axial plane of the cranium lie parallel, or nearly so, to each other; anterior dentary position lies in same plane as cheek tooth row due to elevation of cheek teeth; extremely deep genial flange, 54% or more of total dentary length; mesial-distal length of C1 is less than that of P4; ratio of height between P3 and P4, 0.45 and lower; p3 absent; trigonid proportion of m1, 88% or greater.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoreg
Reproduction: viviparoussubc
Created: 2009-01-04 14:30:41
Modified: 2009-01-04 16:32:12
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, Lillegraven 1979, Van Valkenburgh 1988, Hendy et al. 2009, Martin 1998

Age range: base of the Arikareean to the top of the Geringian or 29.50000 to 26.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Whitneyan - late Early Arikareean33.3 - 18.5USA (California) Hoplophoneus belli (17527)
Geringian30.8 - 26.3USA (South Dakota) Ekgmoiteptecela olsontau (17645 17660) Eusmilus cerebralis (17705)
Geringian30.8 - 26.3USA (Oregon) Eusmilus cerebralis (17508)
Arikareean29.5 - 18.5USA (South Dakota) Eusmilus olsontau (17606)