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Strathcona major

Mammalia - Rodentia - Ischyromyidae

Taxonomy
Strathcona major was named by Dawson (2001). Its type specimen is CMN 32363, a tooth (? m1 sin.), and it is not a trace fossil. Its type locality is Ellesmere Island (Lower), which is in a Wasatchian deltaic horizon in the Margaret Formation of Canada.

Synonymy list
YearName and author
2001Strathcona major Dawson p. 1112

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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
RankNameAuthor
—Mammaliaformes
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
familyIschyromyidaeAlston 1876
subfamilyMicroparamyinaeWood 1962
genusStrathcona
speciesmajor

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.

†Strathcona major Dawson 2001
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Diagnosis
ReferenceDiagnosis
M. R. Dawson 2001Larger than S. minor. Lower molars rhomboidal shape due to anterolingual expansion of metaconid.