Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Order) Phascolotheria

Subsequent positions

†Triconodonta (Infraclass) Osborn, 1888

Original entries

Questionably †Gobiconodontinae (Subfamily) Chow & Rich, 1984
Questionably †Liaotherium (Genus) Zhou, Cheng & Wang, 1991

Subsequent entries

†Amphilestinae (Subfamily) Osborn, 1888

Current position

†Phascolotheria (Order) Ameghino, 1889

Ref: A.O. Averianov & A.V. Lopatin, 2011: fig.

Alternative positions

†Eutriconodonta (Order) Kermack, Mussett & Rigney, 1973	Ref: Z. Kielan-Jaworowska et al., 2004: table 7.1 (p. 219); Martin et al., 2015: ext. data fig. 3a.
†Triconodonta (Infraclass) Osborn, 1888	Ref: M.C. McKenna & S.K. Bell, 1997: 42.
†Triconodonta (Order) Osborn, 1888	Ref: R.L. Carroll, 1988: 627 [McKenna & Bell, 1997: 42].

Historical positions

Mammalia (Clade) Linnaeus 1758 [Rowe 1988], nom. cl. inval.	Ref: A.O. Averianov et al., 2013: 314. [inferred]
†Phascolotheria (Order) Ameghino, 1889	Ref: A.O. Averianov & A.V. Lopatin, 2011: fig.
†Eutriconodonta (Order) Kermack, Mussett & Rigney, 1973	Ref: Z. Kielan-Jaworowska et al., 2004: table 7.1 (p. 219).
†Triconodonta (Infraclass) Osborn, 1888	Ref: M.C. McKenna & S.K. Bell, 1997: 42.
†Triconodonta (Order) Osborn, 1888	Ref: R.L. Carroll, 1988: 627.

Number of Subtaxa

2025	Available in Systema Naturae 2000	†7g;7s
1989-present	Systema Naturae 2000: 30 Jun 2022	[; †7g;7s]
2004	Z. Kielan-Jaworowska et al.: table 7.1 (p. 219)	[; †9g;9s]
1997	M.C. McKenna & S.K. Bell	[; †8g]