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Stegomastodon aftoniae

Mammalia - Proboscidea - Gomphotheriidae

Taxonomy
Stegomastodon aftoniae was named by Osborn (1924). Its type specimen is Univ. Iowa Coll. 213, a tooth (third right superior molar), and it is a 3D body fossil. Its type locality is Akron, which is in a Pleistocene terrestrial horizon in Iowa.

Synonymy list
YearName and author
1924Stegomastodon aftoniae Osborn p. 3

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Tethytheria
orderProboscidea()
familyGomphotheriidaeHay 1922
genusStegomastodonPohlig 1912
speciesaftoniae

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.

†Stegomastodon aftoniae Osborn 1924
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Diagnosis
No diagnoses are available