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Heterosminthus firmus

Osteichthyes - Rodentia - Dipodidae

Taxonomy
Heterosminthus firmus was named by Zazhigin and Lopatin (2000). It is a 3D body fossil. Its type locality is Ayaguz, which is in an Aquitanian/Burdigalian terrestrial claystone in Kazakhstan.

Sister species lacking formal opinion data
H. nanus, H. simplicidens

Synonymy list
YearName and author
2000Heterosminthus firmus Zazhigin and Lopatin

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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()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderMyodontaSchaub 1958
superfamilyDipodoideaFischer 1817
familyDipodidaeWaterhouse 1842
subfamilyLophocricetinaeSavinov 1970
genusHeterosminthusSchaub 1930
speciesfirmusZazhigin and Lopatin 2000

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.

†Heterosminthus firmus Zazhigin and Lopatin 2000
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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: herbivoref
Diet 2: insectivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2012-05-14 22:22:15
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Carroll 1988

Age range: base of the Late/Upper Oligocene to the top of the MN 1 or 27.30000 to 22.40000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Oligocene27.3 - 23.04Mongolia Heterosminthus firmus (75602 176447 176448 182083 182143)
Late/Upper Oligocene27.3 - 23.04Mongolia (Övörkhangai) Heterosminthus firmus (182082)
MP 30 - MN 127.3 - 22.4Türkiye (Anatolia) Heterosminthus firmus (182505)
Late/Upper Oligocene - Early/Lower Miocene27.3 - 15.98Mongolia Heterosminthus firmus (182134)
Late/Upper Oligocene - Early/Lower Miocene27.3 - 15.98Mongolia (Övörkhangai) Heterosminthus firmus (180969)
Aquitanian - Burdigalian23.04 - 15.98Kazakhstan Heterosminthus firmus (type locality: 64355)
Early/Lower Miocene23.04 - 15.98Mongolia Heterosminthus firmus (180965 180966 180967 180975 182088 182089 187314)