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Democricetodontinae

Mammalia - Rodentia - Cricetidae

Taxonomy
Democricetodontini was named by Lindsay (1987). It is not extant. It was considered paraphyletic by Lindsay (1987).

It was reranked as the subfamily Democricetodontinae by Theocharopoulos (2000), López-Antoñanzas et al. (2019).

It was assigned to Cricetidae by Lindsay (1987), Theocharopoulos (2000), López-Antoñanzas et al. (2019).

Synonymy list
YearName and author
1987Democricetodontini Lindsay
2000Democricetodontinae Theocharopoulos
2019Democricetodontinae López-Antoñanzas et al.

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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()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
familyCricetidaeFischer von Waldheim 1817
subfamilyDemocricetodontinae()
subfamilyDemocricetodontinae()

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.

Subfm. †Democricetodontinae Lindsay 1987
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G. †Karydomys Theocharopoulos 2000
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†Karydomys boskosi Theocharopoulos 2000
†Karydomys debruijni Maridet et al. 2011
†Karydomys dzerzhinskii Kordikova and de Bruijn 2001
†Karydomys strati López-Antoñanzas et al. 2019
†Karydomys symeonidisi Theocharopoulos 2000
†Karydomys wigharti Mörs and Kalthoff 2004
G. †Protarsomys Lavocat 1973
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†Protarsomys lavocati Mein and Pickford 2003
Diagnosis
ReferenceDiagnosis
E. H. Lindsay 1987Democricetodonts are characterized by m1 having a wide and weakly bilobed anterocone (medial lobe much smaller than labial lobe); upper molars commonly have more than one loph directed and frequently joining the opposing cusp; posterior molars are slightly reduced in size esecially in the lower dentition. In addition, the longitudinal crest (mure) is very persistent and the mesoloph (mesolophid) is commonly present by short in all molars.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Nowak 1999, Carroll 1988

Age range: base of the MN 3 to the top of the MN 5 or 20.00000 to 13.82000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene - Middle Miocene23.04 - 11.63Uganda Protarsomys lavocati (28293)
MN 320.0 - 16.9China (Xinjiang) Karydomys debruijni (125716)
MN 416.9 - 15.98Greece (Thrace) Karydomys symeonidisi, Karydomys boskosi (69435)
MN 416.9 - 15.98Kazakhstan Karydomys dzerzhinskii (71583)
MN 515.98 - 13.82Germany Karydomys wigharti (46955)
Middle Miocene15.98 - 11.63Greece (North Aegean) Karydomys strati (182752)
Middle Miocene15.98 - 11.63Namibia Protarsomys sp., Protarsomys lavocati (21855)