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Triconodonta (triconodont)

Mammalia - Triconodonta

Taxonomy
Triconodonta was named by Osborn (1888).

It was reranked as the suborder Triconodonta by Gadow (1898); it was reranked as the suborder Triconodonti by Jaekel (1911); it was reranked as the infraclass Triconodonta by Averianov and Lopatin (2011).

It was assigned to Polyprotodontia by Gadow (1898); to Metatheria by Gregory (1910); to Haplodonti by Jaekel (1911); to Allotheria by Hay (1930); to Eotheria by Jenkins and Crompton (1979); to Prototheria by Carroll (1988); to Mammalia by Simpson (1928), Simpson (1929), Olson (1966) and Jenkins and Schaff (1988); to Eotheria by McKenna (1975), Bonaparte (1986) and Zhou et al. (1991); and to Acrotheria by Averianov and Lopatin (2011).

Sister taxa
Gobiconodonta

Synonymy list
YearName and author
1888Triconodonta Osborn
1898Triconodonta Gadow p. 40
1910Triconodonta Gregory p. 464
1911Triconodonti Jaekel p. 205
1928Triconodonta Simpson p. 67
1929Triconodonta Simpson p. 30
1930Triconodonta Hay p. 369
1966Triconodonta Olson p. 302
1975Triconodonta McKenna p. 40
1979Triconodonta Jenkins and Crompton p. 75
1986Triconodonta Bonaparte p. 57
1988Triconodonta Carroll
1988Triconodonta Jenkins, Jr. and Schaff p. 2
1991Triconodonta Zhou et al.
2011Triconodonta Averianov and Lopatin p. 34

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
RankNameAuthor
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
subclassEotheriaKermack and Mussett 1958
orderTriconodontaOsborn 1888
orderTriconodontaOsborn 1888

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.

Or. †Triconodonta Osborn 1888 [triconodont]
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Invalid names: Amphidontoidea Prothero 1981 [empty], Gobiconodonta Averianov and Lopatin 2011 [empty], Phascolotheria Ameghino 1889 [empty], Sinoconodontidae Mills 1971 [empty]
Diagnosis
No diagnoses are available