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Gomphotherium obscurum

Mammalia - Proboscidea - Gomphotheriidae

Taxonomy
Mastodon obscurus was named by Leidy (1869).

It was recombined as Serridentinus obscurus by Osborn (1923); it was considered a nomen dubium by Tobien (1973); it was recombined as Gomphotherium obscurum by Madden and Storer (1985).

Sister species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1869Mastodon obscurus Leidy
1875Mastodon obscurus Cope p. 51
1921Trilophodon giganteus Osborn
1923Serridentinus obscurus Osborn
1923Serridentinus progressus Osborn
1923Trilophodon simplicidens Osborn
1925Gomphotherium cimarronis Hay
1928Serridentinus fricki Peterson
1933Trilophodon riograndensis Frick
1933Trobelodon taoensis Frick
1933Trilophodon fricki Osborn
1939Trilophodon simpsoni Stirton
1950Gomphotherium calvertensis Gazin and Collins
1951Gomphotherium cingulatum Downs
1952Gomphotherium fricki Downs
1955Gomphotherium simpsoni Savage
1972Gomphotherium giganteum Tobien
1972Gomphotherium riograndense Tobien
1972Gomphotherium simpsoni Tobien
1985Gomphotherium obscurum Madden and Storer

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
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
AfrotheriaStanhope et al. 1998
Tethytheria
orderProboscidea()
suborderElephantiformesTassy 1988
ElephantimorphaTassy and Shoshani 1997
ElephantidaTassy and Shoshani 1997
superfamilyGomphotherioideaHay 1922
familyGomphotheriidaeHay 1922
genusGomphotheriumBurmeister 1837
speciesobscurum(Leidy 1869)

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