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Myodonta

Mammalia - Rodentia

Taxonomy
Myodonta was named by Schaub (1958). It is extant.

It was assigned to Rodentia by Montgelard et al. (2002); and to Myomorpha by Walsh (2010).

Synonymy list
YearName and author
1958Myodonta Schaub
2002Myodonta Montgelard et al. p. 230
2010Myodonta Walsh p. 1611

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
EuarchontogliresMurphy et al. 2001
Glires()
orderRodentia
infraorderMyodontaSchaub 1958
infraorderMyodontaSchaub 1958

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingo
Diet: herbivoreo
Created: 2005-08-26 14:04:46
Modified: 2005-08-26 16:04:46
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Nowak 1999, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Bridgerian to the top of the Holocene or 50.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma

Collections (2572 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Eocene56.0 - 33.9USA (California) Simimys sp. (16817)
Early/Lower Eocene55.8 - 48.6China (Nei Mongol) Erlianomys combinatus (75275)
Bridgerian50.3 - 46.2USA (Nevada) Elymys complexus (16218)
Irdinmanhan48.6 - 37.2Kazakhstan Pappocricetodon kazakstanicus, Zhungaromys gromovi (177047 177048 177049)
Middle Eocene48.6 - 37.2China (Shanxi) Palasiomys yuanquensis (174907)
Middle Eocene48.6 - 37.2China (Jiangsu) Pappocricetodon antiquus (37493)
Middle Eocene48.6 - 37.2China (Nei Mongol) Pappocricetodon zhongtianensis, Pappocricetodon sp., Pappocricetodon neimongolensis (89041)
Middle Eocene48.6 - 37.2China (Henan) Palasiomys conulus, Raricricetodon trapezius (174738)
Sharamurunian48.6 - 37.2China (Shanxi) Cricetodon schaubi, Banyuesminthus diconjugatus (41116)
Early/Lower Uintan46.2 - 40.4USA (California) Simimys simplex (16694 16695 16696 16763 16764 16765 16766 16767 16768 16770 16771 16773 16775 16776 16777 16778)
Late/Upper Uintan46.2 - 40.4USA (Texas) Nonomys sp. (16542)
Late/Upper Uintan46.2 - 40.4USA (California) Simimys simplex (16585 16780)
Uintan46.2 - 40.4USA (California) Simimys simplex (16530 16602 16603 16615 16629 16786 16789 16790 16791) Simimys sp. (16590 16783)
Late/Upper Uintan - Duchesnean46.2 - 37.2USA (California) Simimys simplex (16529)
Uintan - Duchesnean46.2 - 37.2USA (California) Simimys simplex (16533)
Duchesnean40.4 - 37.2USA (California) Simimys simplex (16806 16810) Simimys simplex, Simimys sp. (16813)
Duchesnean40.4 - 37.2USA (Utah) Simimys sp. (16877)
Duchesnean40.4 - 37.2USA (Texas) Simimys sp. (16837)
Duchesnean40.4 - 37.2Canada (Saskatchewan) Eumys sp. (16845)
Duchesnean - Early/Lower Chadronian40.4 - 33.9USA (California) Diplolophus sp., Nonomys sp. (17039)