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Gyriabrus holmbergi

Mammalia - Rodentia - Dinomyidae

Taxonomy
Gyriabrus holmbergi was named by Ameghino (1885) [Figures 3, 4 and 5a (Rasia et al. 2023)]. Its type specimen is MACN-A 5826, a set of teeth (isolated right lower incisor), and it is a 3D body fossil.

Synonyms
Synonymy list
YearName and author
1885Gyriabrus holmbergi Ameghino
1930Gyriabrus teisseirei Kraglievich

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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
speciesholmbergiAmeghino 1885

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.

†Gyriabrus holmbergi Ameghino 1885
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Invalid names: Gyriabrus teisseirei Kraglievich 1930 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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: Carroll 1988, Ji et al. 2002, Lillegraven 1979, Hendy et al. 2009, Nowak 1991

Age range: base of the Huayquerian to the top of the Late/Upper Miocene or 8.00000 to 5.33300 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Miocene11.608 - 5.333Uruguay Gyriabrus holmbergi (80364)
Huayquerian8.0 - 5.0Argentina (Entre Rios) Gyriabrus holmbergi (55600)