Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Symborodon trigonoceras

Mammalia - Perissodactyla - Brontotheriidae

Taxonomy
Symborodon trigonoceras was named by Cope (1873).

It was synonymized subjectively with Menodus coloradensis by Scott and Osborn (1887); it was recombined as Titanotherium trigonoceras by Osborn (1896) and Hay (1902); it was recombined as Menodus trigonoceras by Osborn (1929); it was recombined as Menops trigonoceras by Mader (1989) and Mader (1998).

Synonymy list
YearName and author
1873Symborodon trigonoceras Cope p. 13
1896Titanotherium trigonoceras Osborn p. 180 figs. Plate III
1902Titanotherium trigonoceras Hay p. 637
1929Menodus trigonoceras Osborn
1989Menops trigonoceras Mader
1998Menops trigonoceras Mader

Is something missing? Join the Paleobiology Database and enter the data

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
genusSymborodon
speciestrigonoceras

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.

show all | hide all
Diagnosis
No diagnoses are available