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Clenia minuscula

Mammalia - Microbiotheria - Microbiotheriidae

Taxonomy
Clenia minuscula was named by Ameghino (1904). Its type specimen is MACN 52-381, a mandible (fragment of a left mandibular ramus with m1-2), and it is a 3D body fossil. Its type locality is Gran Barranca - southern cliff of lake Colhué Huapí, which is in a Colhuehuapian terrestrial horizon in the Sarmiento Formation of Argentina. It is the type species of Clenia.

It was synonymized subjectively with Microbiotherium divisum by Marshall (1982).

Synonymy list
YearName and author
1904Clenia minuscula Ameghino p. 111
2013Clenia minuscula Goin and Abello

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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)
genusClenia
speciesminuscula

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.

†Clenia minuscula Ameghino 1904
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Diagnosis
ReferenceDiagnosis
F. J. Goin and M. A. Abello 2013Di ers from other Microbiotheria in the following combination of characters: lingually inclined protoco- nid in m1–m2; hypoconid of m1–m3 slightly salient labially; paraconid of m1–m2 antero-posteriorly compressed; horizontal ramus proportionally low; only slight di erence in size between M/m3 and M/m 4, postcristid of m1–m2 transverselly oriented with respect to the dental axis.
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: Hopson 1973, Clemens 1979, Nowak 1991, Carroll 1988, Hendy et al. 2009, Lillegraven 1979

Age range: Colhuehuapian or 21.00000 to 17.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Colhuehuapian21.0 - 17.5Argentina (Chubut) Clenia minuscula (type locality: 141368)