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Gyriabrus

Mammalia - Rodentia - Dinomyidae

Taxonomy
Gyriabrus was named by Ameghino (1891). It is not extant.

It was assigned to Dinomyidae by McKenna and Bell (1997).

Synonymy list
YearName and author
1891Gyriabrus Ameghino
1997Gyriabrus McKenna and Bell

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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
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
superfamilyChinchilloideaBennett 1833
familyDinomyidaePeters 1873
genusGyriabrusAmeghino 1891

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. †Gyriabrus Ameghino 1891
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†Gyriabrus holmbergi Ameghino 1885
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Invalid names: Gyriabrus teisseirei Kraglievich 1930 [objective synonym]
†Gyriabrus latidens Rusconi 1945
†Gyriabrus quadratus Rusconi 1945
†Gyriabrus royoi Stirton 1947
Diagnosis
No diagnoses are available
Measurements
partNmean
P4 height117.3

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: frugivoref
Diet 2: folivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:32:01
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Ji et al. 2002, Carroll 1988, Lillegraven 1979, Nowak 1991

Age range: base of the Huayquerian to the top of the Late/Upper Pliocene or 8.00000 to 2.58800 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Tortonian11.62 - 7.246Brazil (Acre) G. sp. (55602)
Late/Upper Miocene11.608 - 5.333Brazil G. sp. (57989)
Late/Upper Miocene11.608 - 5.333Uruguay G. holmbergi (80364)
Late/Upper Miocene - Early/Lower Pliocene11.608 - 3.6Colombia (Sucre) G. royoi (133584)
Huayquerian8.0 - 5.0Argentina (Entre Rios) G. sp., G. glutinatus, G. indivisus, G. rebagliattii, G. holmbergi (55600)
Huayquerian8.0 - 5.0Argentina (Catamarca) G. sp. (157794)
Late/Upper Pliocene3.6 - 2.588Argentina (Buenos Aires) G. quadratus, G. latidens (53926)