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Oklatheridium szalayi

Mammalia - Deltatheroida - Deltatheridiidae

Taxonomy
Oklatheridium szalayi was named by Davis et al. (2008). Its type specimen is OMNH 62410, a tooth (LM2 missing the protoconal region), 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. It is the type species of Oklatheridium.

Synonymy list
YearName and author
2008Oklatheridium szalayi Davis
2008Oklatheridium szalayi Davis et al. p. 8 figs. 1.3-1.4
2011Oklatheridium szalayi Davis and Cifelli p. 445

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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()
RankNameAuthor
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
orderDeltatheroidaKielan-Jaworowska 1982
familyDeltatheridiidae
genusOklatheridium
speciesszalayi

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.

†Oklatheridium szalayi Davis et al. 2008
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Diagnosis
ReferenceDiagnosis
B. M. Davis and R. L. Cifelli 2011diagnosis.—Species of Oklatheridium differing from O. minax in smaller size, relatively smaller stylocone, and greater relative size difference between M1 and M2
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: carnivoref
Diet 2: durophagef
Reproduction: viviparoussubc
Created: 2005-09-07 09:03:54
Modified: 2005-09-07 11:21:30
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Fox and Naylor 1995, Carroll 1988, Lillegraven 1979, Hopson 1973, Hendy et al. 2009

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Albian or 119.57000 to 110.10000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Oklahoma) Oklatheridium szalayi (type locality: 14392)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Texas) Oklatheridium szalayi (14388)