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Stegomastodon primitivus

Osteichthyes - Proboscidea - Gomphotheriidae

Taxonomy
Stegomastodon primitivus was named by Osborn (1936).

It was synonymized subjectively with Stegomastodon mirificus by Kurten and Anderson (1980), Voorhies (1990).

Entered
by J. Alroy on 2003-01-23

Synonymy list
YearName and author
1936Stegomastodon primitivus Osborn
1996Stegomastodon primitivus Shoshani and Tassy
1998Stegomastodon primitivus Lambert and Shoshani

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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
genusStegomastodonPohlig 1912
speciesprimitivusOsborn 1936

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 primitivus Osborn 1936
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingg
Diet: grazerg
Reproduction: viviparoussubc
Created: 2005-08-31 15:17:17
Modified: 2005-08-31 17:17:17
Source: g = genus, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Lillegraven 1979, Hendy et al. 2009, Lambert and Shoshani 1998, Ji et al. 2002

Age range: Blancan or 4.70000 to 1.40000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.7 - 1.4USA (Kansas) Stegomastodon rexroadensis (19936 19940)
Blancan4.7 - 1.4Mexico (Jalisco) Stegomastodon primitivus (204315)
Blancan4.7 - 1.4USA (New Mexico) Stegomastodon rexroadensis (19974)
Blancan4.7 - 1.4USA (Nebraska) Stegomastodon mirificus (19955) Stegomastodon primitivus (19963)