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Spanocricetodon

Mammalia - Rodentia - Cricetidae

Taxonomy
Spanocricetodon was named by Li (1977). Its type is Spanocricetodon ningensis.

It was assigned to Cricetodontinae by Li (1977); and to Cricetidae by McKenna and Bell (1997).

Species
S. janvieri, S. ningensis (type species), S. sinuosus

Synonymy list
YearName and author
1977Spanocricetodon Li p. 69
1997Spanocricetodon McKenna and Bell

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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
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
—Eumuroida
familyCricetidaeFischer von Waldheim 1817
subfamilyCricetodontinaeStehlin and Schaub 1951
genusSpanocricetodon

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.

G. †Spanocricetodon Li 1977
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†Spanocricetodon janvieri Mein and Ginsburg 1997
†Spanocricetodon sinuosus Theocharopoulos 2000
Diagnosis
ReferenceDiagnosis
C. Li 1977An extremely small form with extremely brachydont, broad, and short
dentition. Cusps and reentrants are spaciously open, ectomesolophid is extremely short and crescentic, occlusal morphology is simplified and a mesolophid is absent, The m1 anteroconid is simplified as a small compressed and narrow cusp. The m3 is conspicuously reduced and lacks an entoconid. Dentition is parallel to the axis of the mandible.