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Hemimastodon

Mammalia - Proboscidea

Taxonomy
Hemimastodon was named by Pilgrim (1912).

It was reranked as Tetrabelodon (Hemimastodon) by Osborn (1936).

It was assigned to Tetrabelodon by Osborn (1936); to Elephantiformes by Shoshani and Tassy (1996); to Hemimastodontidae by McKenna and Bell (1997); and to Elephantiformes by Shoshani and Tassy (2005).

Synonymy list
YearName and author
1912Hemimastodon Pilgrim
1936Tetrabelodon (Hemimastodon) Osborn p. 271
1996Hemimastodon Shoshani and Tassy p. 352
1997Hemimastodon McKenna and Bell p. 499
2005Hemimastodon Shoshani and Tassy p. 9 figs. Table 2

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Tethytheria
orderProboscidea()
suborderElephantiformesTassy 1988
genusHemimastodonPilgrim 1912

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.

G. †Hemimastodon Pilgrim 1912
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†Hemimastodon annectens Matsumoto 1924
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: grazerf
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2005-08-26 13:32:09
Modified: 2005-08-26 15:32:09
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Ji et al. 2002, Hendy et al. 2009, Lillegraven 1979, Nowak 1999, Carroll 1988

Age range: Early/Lower Miocene or 23.04000 to 15.98000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.04 - 15.98North Korea (Hamgyeongbuk-do) Gomphotherium annectens (48623)