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Trilophodon osborni

Osteichthyes - Proboscidea - Gomphotheriidae

Taxonomy
Tetrabelodon osborni was named by Barbour (1916). It is a 3D body fossil. Its type locality is Tetrabelodon osborni Quarry, which is in a Barstovian terrestrial horizon in the Valentine Formation of Nebraska.

It was recombined as Trilophodon osborni by Cook (1922), Peterson (1928), Frick (1933) and Osborn (1936); it was synonymized subjectively with Gomphotherium productum by Tobien (1973); it was recombined as Gomphotherium osborni by Downs (1952), Tobien (1972), Voorhies (1990).

Synonyms
Synonymy list
YearName and author
1914Tetrabelodon willistoni Barbour p. 184
1916Tetrabelodon osborni Barbour
1922Trilophodon osborni Cook
1925Trilophodon abeli Barbour
1928Trilophodon osborni Peterson
1933Trilophodon gregorii Frick
1933Trilophodon osborni Frick p. 596
1936Trilophodon osborni Osborn
1936Trilophodon willistoni Osborn
1952Gomphotherium gregorii Downs
1952Gomphotherium osborni Downs
1952Gomphotherium willistoni Downs
1972Gomphotherium abeli Tobien
1972Gomphotherium osborni Tobien
1990Gomphotherium osborni Voorhies

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
superorderAfrotheria
—Paenungulatomorpha
superorderPaenungulata
—Tethytheria
orderProboscidea()
familyGomphotheriidaeHay 1922
genusTrilophodon
speciesosborni()

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.

†Trilophodon osborni Barbour 1916
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Invalid names: Tetrabelodon willistoni Barbour 1914 [synonym], Trilophodon abeli Barbour 1925 [synonym], Trilophodon gregorii Frick 1933 [synonym]
Diagnosis
No diagnoses are available