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Micromys steffensi

Mammalia - Rodentia - Muridae

Taxonomy
Micromys steffensi was named by van de Weerd (1979) [type locality, Kardia Field.]. It is not extant. Its type specimen is IVAU, KD244, a left upper M1., a tooth.

Sister species lacking formal opinion data

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Synonymy list
YearName and author
1979Micromys steffensi van de Weerd

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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
Synapsida()
Therapsida()
RankNameAuthor
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
EuarchontogliresMurphy et al. 2001
Glires()
orderRodentia
infraorderMyodontaSchaub 1958
superfamilyMuroideaIlliger 1811
Eumuroida
familyMuridaeIlliger 1811
genusMicromysDehne 1841
speciessteffensi

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
ReferenceDiagnosis
A. van de Weerd 1979large sized Micromys, upper molars are relatively broad. The t7 is well developed and has an anterior position. A t1bis is present on all upper M2 and some upper M1.