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Orretherium tzen

Osteichthyes - Meridiolestida - Mesungulatidae

Taxonomy
Orretherium tzen was named by Martinelli et al. (2021). Its type specimen is CPAP-5007, a mandible (partial left dentary), and it is a 3D body fossil. Its type locality is Mammal Quarry (Río de Las Chinas Valley), which is in a Campanian/Maastrichtian floodplain mudstone in the Dorotea Formation of Chile.

Synonymy list
YearName and author
2021Orretherium tzen Martinelli et al.
2025Orretherium tzen Chimento et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Dryolestoidea(Butler 1939)
orderMeridiolestida
—Mesungulatoidea
familyMesungulatidae
genusOrretherium
speciestzen

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.

†Orretherium tzen Martinelli et al. 2021
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialuc
Diet: insectivoreuc
Created: 2005-09-06 19:53:51
Modified: 2005-09-07 19:44:02
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Luo et al. 2003, Hopson 1973, Hendy et al. 2009

Age range: Early/Lower Maastrichtian or 72.20000 to 66.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Chile (Última Esperanza) Orretherium tzen (type locality: 210648)
Early/Lower Maastrichtian72.2 - 66.0Argentina (Santa Cruz) Orretherium tzen (234712)