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Brontotherium ramosum

Osteichthyes - Perissodactyla - Brontotheriidae

Taxonomy
Titanotherium ramosum was named by Osborn (1896). Its type specimen is AMNH 1447 and is a 3D body fossil.

It was recombined as Brontotherium ramosum by Hay (1902), Osborn (1902), Osborn (1929); it was synonymized subjectively with Megacerops platyceras by Mader and Alexander (1995).

Entered
by J. Alroy on 2003-01-23; modified by J. Marcot on 2019-06-08

Synonymy list
YearName and author
1896Titanotherium ramosum Osborn p. 194 figs. Plate IV
1902Brontotherium ramosum Hay p. 635
1902Brontotherium ramosum Osborn
1929Brontotherium ramosum Osborn p. 577 figs. Plate CXCI; text figures 194, 457, 479

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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()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
familyBrontotheriidae()
subfamilyBrontotheriinaeMarsh 1873
tribeBrontotheriiniMarsh 1873
subtribeBrontotheriinaMarsh 1873
—BrontotheriitaMarsh 1873
genusBrontotherium
speciesramosum()

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.

†Brontotherium ramosum Osborn 1896
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Diagnosis
ReferenceDiagnosis
H. F. Osborn 1896Horns placed above symphysis, greatly expanded at the summits, section plano-convex; a strong 'connecting crest,' Nasals extremely short. Zygomatic arches expanded into two wide flat plates. Incisors and canines unknown. Premolars with reduced external cingula.