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Stirtonia victoriae

Mammalia - Primates - Atelidae

Taxonomy
Stirtonia victoriae was named by Kay et al. (1987). Its type specimen is Duke/INGEOMINAS field no 85-400, a maxilla (Right maxilla and premaxilla), and it is a 3D body fossil.

Synonymy list
YearName and author
1987Stirtonia victoriae Kay et al.
1989Stirtonia victoriae Madden 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
Therapsida()
infraorderCynodontia()
RankNameAuthor
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
EuarchontogliresMurphy et al. 2001
Euarchonta
orderPrimates
infraorderHaplorhini(Pocock 1918)
Anthropoidea(Mivart 1864)
infraorderPlatyrrhiniGeoffroy 1812
familyAtelidaeGray 1825
subfamilyAtelinaeGray 1825
genusStirtonia
speciesvictoriae

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.

Stirtonia victoriae Kay et al. 1987
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Diagnosis
ReferenceDiagnosis
R. F. Kay et al. 1987S. victoria is larger than S. tatacoensis; also in S. victoriae, the stylar shelf and stylar cusps are better developed, especially in the mesostyle ridge, parastyle and metastyle. S. victoriae adults upper P3-4 have three roots, in contrast to the two roots seen in S. tatacoensis. Tje three rooted conditions is unknown in atelines or alouattines and is otherwise rare in platyrrhines.