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Brontops brachycephalus

Mammalia - Perissodactyla - Brontotheriidae

Taxonomy
Megacerops brachycephalus was named by Osborn (1902). Its type locality is Quinn Draw (Lower Titanotherium Beds), which is in a Chadronian terrestrial horizon in the Chadron Formation of South Dakota.

It was recombined as Brontops brachycephalus by Osborn (1929), Ferrusquia-Villafranca (1969) and Mader (1998).

Synonymy list
YearName and author
1902Megacerops brachycephalus Osborn
1929Brontops brachycephalus Osborn
1969Brontops brachycephalus Ferrusquia-Villafranca
1998Brontops brachycephalus Mader

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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()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
RankNameAuthor
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
familyBrontotheriidae()
subfamilyBrontotheriinaeMarsh 1873
tribeBrontotheriiniMarsh 1873
subtribeBrontotheriinaMarsh 1873
—BrontotheriitaMarsh 1873
genusBrontops
speciesbrachycephalus()

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.

†Brontops brachycephalus Osborn 1902
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Reproduction: viviparoussubc
Created: 2005-08-31 14:53:16
Modified: 2005-08-31 16:53:16
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Mader 1998, Lillegraven 1979, Carroll 1988, Ji et al. 2002, Hendy et al. 2009

Age range: Chadronian or 37.20000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Chadronian37.2 - 33.9Mexico (Chihuahua) Brontops brachycephalus (17015)
Chadronian37.2 - 33.9USA (Nebraska) Brontops brachycephalus (16929)
Chadronian37.2 - 33.9USA (South Dakota) Brontops brachycephalus (16937) Megacerops brachycephalus (type locality: 17012)