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Gomphotherium productum

Mammalia - Proboscidea - Gomphotheriidae

Taxonomy
Mastodon productus was named by Cope (1874) [also said to be 1875]. Its type locality is Santa Cruz, which is in a Barstovian terrestrial horizon in the Tesuque Formation of New Mexico.

It was recombined as Serridentinus productus by Osborn (1923) and Galbreath (1953); it was recombined as Gomphotherium productum by Tobien (1972), Tobien (1973), Tedford and Barghoorn (1993), Shoshani and Tassy (1996) and Lucas et al. (1999); it was synonymized subjectively with Gomphotherium obscurum by Madden and Storer (1985); it was misspelled as Gomphotherium productus by Christiansen (2007).

Sister species lacking formal opinion data

View classification of included taxa

Synonyms
Synonymy list
YearName and author
1874Mastodon productus Cope
1884Mastodon serridens Cope
1893Tetrabelodon serridens Cope p. 18
1914Tetrabelodon lulli Barbour
1918Zygolophodon serridens Matthew
1918Trilophodon lulli Osborn
1922Trilophodon lulli Cook
1923Serridentinus productus Osborn
1923Serridentinus serridens Osborn
1926Trilophodon pojoaquensis Frick
1928Trilophodon phippsi Cook
1933Ocalientinus ojocaliensis Frick
1933Trilophodon cruziensis Frick
1933Trilophodon joraki Frick
1934Megabelodon lulli Barbour
1936Megabelodon cruziensis Osborn
1936Megabelodon joraki Osborn
1936Megabelodon lulli Osborn
1936Megabelodon phippsi Osborn
1936Serridentinus pojoaquensis Osborn
1942Megabelodon cruziensis Osborn
1942Megabelodon joraki Osborn
1942Megabelodon lulli Osborn
1942Megabelodon phippsi Osborn
1952Gomphotherium phippsi Downs
1952Serridentinus serridens Downs
1953Serridentinus productus Galbreath
1968Megabelodon cruziensis Mawby
1968Megabelodon joraki Mawby
1968Megabelodon minor Mawby
1968Megabelodon phippsi Mawby
1972Gomphotherium ojocaliensis Tobien
1972Gomphotherium phippsi Tobien
1972Gomphotherium pojoaquense Tobien
1972Gomphotherium productum Tobien
1972Gomphotherium serridens Tobien
1973Gomphotherium productum Tobien
1990Gomphotherium lulli Voorhies
1993Gomphotherium productum Tedford and Barghoorn
1996Gomphotherium productum Shoshani and Tassy
1999Gomphotherium productum Lucas et al.
2007Gomphotherium productus Christiansen p. 425

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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
speciesproductum(Cope 1874)

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