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Glossotherium robustum

Mammalia - Mylodontidae

Taxonomy
Mylodon robustus was named by Owen (1842). It is the type species of Eumylodon.

It was recombined as Eumylodon robustus by Ameghino (1904); it was synonymized subjectively with Glossotherium giganteum by Hoffstetter (1954); it was recombined as Glossotherium robustus by McDonald and Naples (2007); it was recombined as Glossotherium robustum by McAfee (2009).

Synonyms
Synonymy list
YearName and author
1842Mylodon robustus Owen
1865Mylodon gracilis Burmeister
1880Pseudolestodon gracilis Gervais and Ameghino
1880Pseudolestodon lettsomi Gervais and Ameghino
1880Pseudolestodon morenoii Gervais and Ameghino
1894Mylodon robustus Lydekker p. 78
1904Eumylodon robustus Ameghino p. 136
1936Glossotherium lettsomi Cabrera
2007Glossotherium robustus McDonald and Naples p. 155
2009Glossotherium robustum McAfee p. 888

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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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Americatheria
—Xenarthra()
infraorderPilosaFlower 1883
—Folivora
classEufolivoraDelsuc et al. 2001
familyMylodontidaeAmeghino 1889
subfamilyMylodontinaeGill 1872
genusGlossotheriumOwen 1840
speciesrobustum(Owen 1842)

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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Invalid names: Glossotherium lettsomi Cabrera 1936 [synonym], Mylodon gracilis Burmeister 1865 [synonym], Pseudolestodon lettsomi Gervais and Ameghino 1880 [synonym], Pseudolestodon morenoii Gervais and Ameghino 1880 [synonym], Pseudolestodon myloides Gervais 1855 [synonym]
Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 932.1 kg Mammalia femur diameterGingerich 1990
 542.5 kg Mammalia humerus diameterGingerich 1990
 1.34 tons Mammalia tibia diameterGingerich 1990
mean: 877.7 kg
Measurements
partNmean
femur diameter161.0
humerus diameter155.3
radius diameter156.5
tibia diameter169.0

Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-08-22 16:27:29
Modified: 2005-08-22 18:30:22
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Nowak 1999, Hendy et al. 2009, Carroll 1988, Ji et al. 2002

Age range: base of the Early/Lower Pleistocene to the top of the Lujanian or 2.58800 to 0.01200 Ma

Collections (29 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Pleistocene2.588 - 0.781Bolivia Mylodon robustus (142016)
Pleistocene2.588 - 0.0117Paraguay Glossotherium robustum (71292)
Pleistocene2.588 - 0.0117Peru (Arequipa) Glossotherium sp. (145507)
Pleistocene2.588 - 0.0117Brazil (Paraiba) Glossotherium sp. (71298)
Pleistocene2.588 - 0.0117USA (Texas) Mylodon robustus (207456)
Pleistocene2.588 - 0.0117Argentina (Buenos Aires) Glossotherium robustum (212469 232453 232457)
Pleistocene2.588 - 0.0117Brazil (Ceara) Glossotherium sp. (71302)
Pleistocene - Holocene2.588 - 0.0Brazil (Mato Grosso do Sul) Glossotherium sp. (92814)
Lujanian0.781 - 0.012Argentina (Catamarca) Glossotherium robustum (140929)
Lujanian0.781 - 0.012Argentina (Entre Ríos) Glossotherium robustum (203955 203957) Glossotherium sp. (203958)
Lujanian (interglacial)0.781 - 0.012Uruguay (Salto) Glossotherium robustum (140159)
Lujanian0.781 - 0.012Argentina (Corrientes) Glossotherium robustum (211638)
Lujanian0.781 - 0.012Uruguay Glossotherium robustum (71274)
Lujanian0.781 - 0.012Argentina (Buenos Aires) Glossotherium robustum (71303 142142 212835) Glossotherium sp. (71279)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117Brazil (Rio Grand do Sul) Glossotherium robustum (223843)
Late/Upper Pleistocene0.129 - 0.0117Argentina (Buenos Aires) Glossotherium robustum (88836)
Late/Upper Pleistocene0.129 - 0.0117Argentina Glossotherium robustum (213470 213489)
Late/Upper Pleistocene0.129 - 0.0117Brazil (Rio Grande do Sul) Glossotherium robustum (124715 147598 148419 149143)