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Hoplophoneus sicarius

Osteichthyes - Carnivora - Nimravidae

Taxonomy
Eusmilus sicarius was named by Sinclair and Jepsen (1927). Its type locality is Pinnacles Overlook, which is in an Orellan terrestrial horizon in the Brule Formation of South Dakota.

It was recombined as Hoplophoneus sicarius by Morea (1975), Bryant (1984), Bryant (1996), Barrett (2016).

Synonymy list
YearName and author
1927Eusmilus sicarius Sinclair and Jepsen
1933Eusmilus sicarius Jepsen p. 367
1975Hoplophoneus sicarius Morea
1984Hoplophoneus sicarius Bryant
1996Hoplophoneus sicarius Bryant
2016Hoplophoneus sicarius Barrett p. 56

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
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()
—Pancarnivora
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderFeliformiaKretzoi 1945
familyNimravidaeCope 1880
tribeHoplophoneiniKretzoi 1929
genusHoplophoneusCope 1874
speciessicarius()

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 sicarius Sinclair and Jepsen 1927
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Diagnosis
ReferenceDiagnosis
P. Z. Barrett 2016Characters of Hoplophoneus plus: medial ridge of palate absent; postglenoid foramen absent; 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; forwardly orientated posterior border of coronoid process; extremely deep genial flange, 54% or more of total dentary length; mesial-distal length of C1 greater 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: Van Valkenburgh 1988, Hendy et al. 2009, Carroll 1988, Martin 1998, Ji et al. 2002, Lillegraven 1979

Age range: Orellan or 33.90000 to 31.80000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Orellan33.9 - 31.8USA (Wyoming) Eusmilus sicarius (99845)
Orellan33.9 - 31.8USA (South Dakota) Eusmilus sicarius (type locality: 17158)