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Hyaenodon mongoliensis

Osteichthyes - Hyaenodonta - Hyaenodontidae

Taxonomy
Megalopterodon mongoliensis was named by Dashzeveg (1964). Its type specimen is PSS 21, a mandible, and it is a 3D body fossil. Its type locality is Bayan Tsav Obo (Ergilin Dzo sublocality), which is in an Eocene terrestrial sandstone in the Ergilin Dzo Formation of Mongolia.

It was recombined as Hyaenodon mongoliensis by Lange-Badre and Dashzeveg (1989), Tsubamoto et al. (2008).

Sister species lacking formal opinion data
H. aymardi, H. brachyrhynchus, H. compressus, H. requieni, H. schlosseri, H. matthewsi

Synonymy list
YearName and author
1964Megalopterodon mongoliensis Dashzeveg
1989Hyaenodon mongoliensis Lange-Badre and Dashzeveg
2008Hyaenodon mongoliensis Tsubamoto et al.

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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()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Ferae()
—Pancarnivora
orderHyaenodonta()
superfamilyHyaenodontoideaLeidy 1869
familyHyaenodontidaeLeidy 1869
subfamilyHyaenodontinaeTrouessart 1885
genusHyaenodonLaizer and Parieu 1838
speciesmongoliensis()

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.

†Hyaenodon mongoliensis Dashzeveg 1964
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoreg
Reproduction: viviparoussubc
Created: 2009-01-04 14:30:16
Modified: 2009-01-04 16:30:16
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Ji et al. 2002, Van Valkenburgh 1988, Lillegraven 1979, Gunnell 1998, Hendy et al. 2009

Age range: base of the Middle Eocene to the top of the Early/Lower Oligocene or 48.07000 to 27.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Middle Eocene48.07 - 37.71China (Ningxia Hui Autonomous Region) Hyaenodon mongoliensis (241728)
Late/Upper Eocene37.71 - 33.9Mongolia (Dornogov) Hyaenodon mongoliensis (174716) Megalopterodon mongoliensis (type locality: 176016)
Ulangochuian37.71 - 33.9China (Nei Mongol) Hyaenodon mongoliensis (73811)
Early/Lower Oligocene33.9 - 27.3Mongolia (Övörkhangai) Hyaenodon mongoliensis (187301)