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Microbiotherium gallegosense

Mammalia - Microbiotheria - Microbiotheriidae

Taxonomy
Microbiotherium gallegosense was named by Sinclair (1906). Its type specimen is AMNH 9591, a mandible (relatively complete right mandibular ramus with alveoli of c-p2 and m3-4, and p3-m2 complete), and it is a 3D body fossil. Its type locality is Killik Aike Norte, which is in a Santacrucian terrestrial tuff in the Santa Cruz Formation of Argentina.

Synonymy list
YearName and author
1906Microbiotherium gallegosense Sinclair
1982Microbiotherium gallegosense Marshall
2012Microbiotherium gallegosense Abello et al.

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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
RankNameAuthor
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
Marsupialiformes
Marsupialia()
AustralidelphiaSzalay 1982
orderMicrobiotheriaAmeghino 1899
familyMicrobiotheriidae(Ameghino 1887)
genusMicrobiotheriumAmeghino 1887
speciesgallegosenseSinclair 1906

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
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialf
Diet: insectivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Clemens 1979, Lillegraven 1979, Carroll 1988, Hendy et al. 2009, Hopson 1973, Nowak 1991

Age range: Santacrucian or 17.50000 to 16.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97Argentina (Santa Cruz) Microbiotherium gallegosense (59320)
Santacrucian17.5 - 16.3Argentina (Santa Cruz) Microbiotherium gallegosense (type locality: 87314)