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Trioracodon bisulcus

Mammalia - Eutriconodonta - Triconodontidae

Taxonomy
Triconodon bisulcus was named by Marsh (1880). Its type specimen is YPM 11851, a mandible (partial right mandible with broken P4 and M1-3), and it is a 3D body fossil. Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.

It was recombined as Trioracodon bisulcus by Simpson (1928), Simpson (1929), Hay (1930), Jenkins and Crompton (1979) and Kielan-Jaworowska et al. (2004).

Synonymy list
YearName and author
1880Triconodon bisulcus Marsh p. 237
1902Triconodon bisulcus Hay p. 567
1925Triconodon bisulcus Simpson p. 152 figs. 1-4
1928Trioracodon bisulcus Simpson
1929Trioracodon bisulcus Simpson p. 34
1930Trioracodon bisulcus Hay p. 369
1979Trioracodon bisulcus Jenkins and Crompton p. 75
2004Trioracodon bisulcus Kielan-Jaworowska et al. pp. 219, 246

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
orderEutriconodontaKermack et al. 1973
familyTriconodontidaeMarsh 1887
genusTrioracodon
speciesbisulcus()

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.

Trioracodon bisulcus Marsh 1880
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Diagnosis
No diagnoses are available