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Paramicrotoscoptes hibbardi

Osteichthyes - Rodentia - Cricetidae

Taxonomy
Paramicrotoscoptes hibbardi was named by Martin (1975) [genotype]. It is considered to be a form taxon. Its type specimen is UNSM 47504, a maxilla, and it is a 3D body fossil. It is the type species of Paramicrotoscoptes.

It was recombined as Microtoscoptes hibbardi by Repenning (1987).

Entered
by J. Alroy on 2003-01-23; modified by J. Marcot on 2026-05-29

Synonymy list
YearName and author
1975Paramicrotoscoptes hibbardi Martin p. 101 figs. Figures 2 - 4
1987Microtoscoptes hibbardi Repenning
1990Paramicrotoscoptes hibbardi Leite

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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
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentia
familyCricetidaeFischer von Waldheim 1817
subfamilyNeotominaeMerriam 1894
tribeNeotomini
tribeGalushamyina()
genusParamicrotoscoptes
specieshibbardi

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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Diagnosis
ReferenceDiagnosis
L. Martin 1975A small micro tine with rooted molars, no cement or dentine tracts, and triangles on lower molars and M1 tending to be directly opposite of each other and confluent. Paramicrotoscoptes differs from Microtoscoptes in having a single large lingual reentrant angle on M2 and only two on M3, and at least one posterior enamel pit on M3.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Nowak 1999, Carroll 1988, Ji et al. 2002, Lillegraven 1979

Age range: Hemphillian or 9.40000 to 4.70000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Hemphillian9.4 - 4.7USA (Nebraska) Paramicrotoscoptes hibbardi (18086 18158 18225)
Hemphillian9.4 - 4.7USA (Idaho) Microtoscoptes hibbardi (19090)