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Hoplophoneus dakotensis

Mammalia - Carnivora - Nimravidae

Taxonomy
Eusmilus dakotensis was named by Hatcher (1895). Its type specimen is PU 11079, a mandible, and it is a 3D body fossil. Its type locality is South of White River, which is in a Rupelian/Whitneyan terrestrial horizon in the Brule Formation of South Dakota.

It was recombined as Hoplophoneus dakotensis by Kretzoi (1929), Morea (1975), Bryant (1984), Bryant (1996), Peigné (2003) and Barrett (2016).

Synonymy list
YearName and author
1895Eusmilus dakotensis Hatcher
1902Eusmilus dakotensis Hay p. 778
1929Hoplophoneus dakotensis Kretzoi
1933Eusmilus dakotensis Jepsen p. 367
1975Hoplophoneus dakotensis Morea
1984Hoplophoneus dakotensis Bryant
1996Hoplophoneus dakotensis Bryant
2003Hoplophoneus dakotensis Peigné
2016Hoplophoneus dakotensis Barrett p. 57

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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
RankNameAuthor
—Mammaliaformes
classMammalia
—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
speciesdakotensis()

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.

†Hoplophoneus dakotensis Hatcher 1895
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Diagnosis
ReferenceDiagnosis
P. Z. Barrett 2016Characters of Hoplophoneus plus: sutural contact absent between the lacrimal and jugal; anterior and posterior lip of the glenoid socket project equally ventrally; oblique angle between the braincase, disregarding the sagittal crest, and axial plane of the cranium; anterior dentary position lies in same plane as cheek tooth row due to elevation of cheek teeth; vertically orientated posterior border of coronoid process; deep genial flange, between 32 and 54% of total dentary length; mesial-distal length of C1 greater than that of P4; ratio of height between P3 and P4 is 0.50–0.70; p3 absent; trigonid proportion of m1, 77–87%.
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: Hendy et al. 2009, Lillegraven 1979, Ji et al. 2002, Van Valkenburgh 1988, Martin 1998, Carroll 1988

Age range: base of the Rupelian to the top of the Whitneyan or 33.90000 to 30.80000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Rupelian - Whitneyan33.9 - 30.8USA (South Dakota) Eusmilus dakotensis (207805)