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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 Mammut productum by Hay (1902); it was recombined as Serridentinus productus by Osborn (1923), Frick (1933) 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

Synonyms
Synonymy list
YearName and author
1874Mastodon productus Cope
1884Mastodon serridens Cope
1893Tetrabelodon serridens Cope p. 18
1902Mammut productum Hay p. 711
1902Mammut serridens Hay p. 712
1914Tetrabelodon lulli Barbour
1918Zygolophodon serridens Matthew
1918Trilophodon lulli Osborn
1922Trilophodon lulli Cook
1923Serridentinus productus Osborn
1923Serridentinus serridens Osborn
1926Trilophodon pojoaquensis Frick
1928Trilophodon phippsi Cook
1933Trilophodon joraki Frick
1933Serridentinus pojoaquensis Frick p. 575
1933Serridentinus productus Frick p. 575
1933Trilophodon cruziensis Frick p. 576
1933Ocalientinus ojocaliensis Frick p. 579
1933Serridentinus serridens Frick p. 605
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()
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
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.

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Invalid names: Gomphotherium pojoaquense Frick 1926 [synonym], Mastodon serridens Cope 1884 [synonym], Megabelodon minor Mawby 1968 [synonym], Ocalientinus ojocaliensis Frick 1933 [synonym], Tetrabelodon lulli Barbour 1914 [synonym], Trilophodon cruziensis Frick 1933 [synonym], Trilophodon joraki Frick 1933 [synonym], Trilophodon phippsi Cook 1928 [synonym]
Diagnosis
No diagnoses are available