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Oklatheridium minax

Mammalia - Deltatheroida - Deltatheridiidae

Taxonomy
Oklatheridium minax was named by Davis and Cifelli (2011). Its type specimen is OMNH 33455, a tooth (LM2, missing the metacone and metastylar lobe), and it is a 3D body fossil. Its type locality is McLeod Prison (OMNH V706), Tomato Hill, which is in an Aptian/Albian floodplain claystone/sandstone in the Antlers Formation of Oklahoma.

Synonymy list
YearName and author
2011Oklatheridium minax Davis and Cifelli p. 446 figs. 3F-H

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
Therapsida()
RankNameAuthor
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes(Rowe 1988)
Trechnotheria
Cladotheria
Boreosphenida()
subclassTheria
subclassMetatheria()
orderDeltatheroidaKielan-Jaworowska 1982
familyDeltatheridiidae
genusOklatheridium
speciesminax

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.

Diagnosis
ReferenceDiagnosis
B. M. Davis and R. L. Cifelli 2011Species of Oklatheridium differing from O. szalayi in overall larger size, relatively heavier stylocone, and in less relative size difference between M1 and M2.