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Nanosmilus

Mammalia - Carnivora - Nimravidae

Taxonomy
Nanosmilus was named by Martin (1992). Its type is Nanosmilus kurteni.

It was synonymized subjectively with Hoplophoneus by Bryant (1996).

It was assigned to Nimravidae by Martin (1992) and Martin (1998); to Nimravinae by Peigné (2003); and to Hoplophoneini by Barrett (2016).

Species
N. kurteni (type species)

Synonymy list
YearName and author
1992Nanosmilus Martin p. 343
1998Nanosmilus Martin
2003Nanosmilus Peigné
2016Nanosmilus Barrett p. 59

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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
genusNanosmilus

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.

G. †Nanosmilus Martin 1992
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Nanosmilus kurteni Martin 1992
Diagnosis
ReferenceDiagnosis
P. Z. Barrett 2016Sutural contact between the lacrimal and jugal absent; petrobasilar and posterior lacerate foramina form two distinct grooves; large tabular mastoid with reduced to near absent paroccipital process; posterior lip of the glenoid socket projects more ventrally than anterior lip; angle between the braincase, disregarding the sagittal crest, and the axial plane of the cranium is oblique; postorbital process of frontal projects ventrally; anterior dentary position is elevated above cheek tooth row; vertically orientated posterior border of coronoid process; absence of fossa on ventral face of chin; incisors all caniniform, i1 very transversely compressed and i3 nearly as large as the lower canine; ratio of crown height between P3 and P4 is 0.50–0.70; parastyle on P4; P4 protocone reduced, short, crest-like or absent; M1 transversely reduced, crest-like, with low cusps and near absent to absent protocone; lower incisor arcade curved; p3 lower than p4; anterior cusp on p4 mesially-distally shorter than the posterior cusp; the main cusp of the p4 is as tall or taller than the paraconid of m1; m1 metaconid absent; trigonid proportion of m1 88% and higher; serrations present on adult minimally worn cheek teeth.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Reproduction: viviparoussubc
Created: 2005-08-30 14:54:36
Modified: 2009-01-04 16:31:38
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, Hendy et al. 2009, Martin 1998, Lillegraven 1979

Age range: Orellan or 33.90000 to 33.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Orellan33.9 - 33.3USA (Nebraska) N. kurteni (207804)