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Delotrochanter oryktes

Mammalia - Carnivora - Amphicyonidae

Taxonomy
Delotrochanter oryktes was named by Hunt (2011). Its type specimen is ACM 4804, a partial skull, and it is a 3D body fossil. Its type locality is Stenomylus Quarry, which is in a Harrisonian terrestrial horizon in the Harrison Formation of Nebraska. It is the type species of Delotrochanter.

Synonymy list
YearName and author
2011Delotrochanter oryktes Hunt, Jr. p. 77 fig. 34–39

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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()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—CarnivoramorphaWyss and Flynn 1993
—CarnivoraformesFlynn et al.
orderCarnivora
suborderCaniformiaKretzoi 1943
familyAmphicyonidaeHaeckel 1886
subfamilyTemnocyoninae
genusDelotrochanter
speciesoryktes

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.

†Delotrochanter oryktes Hunt, Jr. 2011
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Diagnosis
ReferenceDiagnosis
R. M. Hunt 2011Distinguished from D. peter- soni by larger size (D. petersoni m1 length, 22.3 mm; D. oryktes m1 length, 27.1 mm). Dentition clearly antecedent to that of the much larger D. major (tables 2, 3), but not as massive and robust. Differs from Temnocyon by loss of the m1 metaconid and by short, posteriorly wide p2–3 and P2–3; from Mam- macyon by a posterior accessory cusp on p3, a large centrally placed posterior accessory cusp on p4, and by a smaller P4 with lingually abbreviated protocone region; and from Rudiocyon by the form of p4.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Reproduction: viviparoussubc
Created: 2005-08-30 14:52:56
Modified: 2005-08-30 16:52:56
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Hunt 1998, Ji et al. 2002, Carroll 1988, Lillegraven 1979

Age range: Harrisonian or 24.80000 to 18.50000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Harrisonian24.8 - 18.5USA (Nebraska) Daphoenodon superbus (type locality: 17845) Delotrochanter oryktes (17741 22641)