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Simpsonotus praecursor

Osteichthyes - Notoungulata - Henricosborniidae

Taxonomy
Simpsonotus praecursor was named by Pascual et al. (1978). Its type specimen is MLP 73-VII-3-11, a skull, and it is a 3D body fossil. Its type locality is Road linking Tres Cruces and Mina Aguilar, which is in a Selandian/Thanetian terrestrial horizon in the Mealla Formation of Argentina. It is the type species of Simpsonotus.

Entered
by R. Butler on 2016-01-16

Synonymy list
YearName and author
1978Simpsonotus praecursor Pascual et al. p. 375 figs. 1-2

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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
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
superorderAfrotheria
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderNotoungulata
familyHenricosborniidae()
genusSimpsonotus
speciespraecursor

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.

†Simpsonotus praecursor Pascual et al. 1978
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:49
Modified: 2009-01-05 19:11:49
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Carroll 1988, MacFadden et al. 1996, Hendy et al. 2009, Lillegraven 1979

Age range: base of the Selandian to the top of the Thanetian or 61.66000 to 56.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Selandian - Thanetian61.66 - 56.0Argentina (Jujuy) Simpsonotus praecursor (type locality: 175868)