Entity:

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia

Included, by definition, in node-based clade

*Holotheria* (Infraclass) Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995		Ref: M.C. McKenna & S.K. Bell, 1997: 43 (note 1: "therians"); 49.
*Mammalia* (Class) Linnaeus, 1758		Ref: M.C. McKenna & S.K. Bell, 1997: [35] (note 1: "therians"); 49.

Original position

Tribosphenida (Infralegion) McKenna, 1975

Ref: M.C. McKenna & S.K. Bell, 1997: 49.

Original entries

†*Aethomylos* (Genus) Novacek, 1976		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Anisorhizus* (Genus) Ameghino, 1902, nom. dub.		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Asiadelphia* (Order) Trofimov & Szalay, 1993		Ref: M.C. McKenna & S.K. Bell, 1997: 51.
†*Dakotadens* (Genus) Eaton, 1993		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Deltatheroida* (Order) Kielan-Jaworowska, 1982		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
†*Endotheriidae* (Family) Shikama, 1947, nom. dub.		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
†*Falepetrus* (Genus) Clemens & Lillegraven, 1986		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Holoclemensiidae* (Family) Aplin & Archer, 1987		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
†*Kasserinotherium* (Genus) Crochet, 1986		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Kermackiidae* (Family) Butler, 1978		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
*Marsupialia* (Cohort) Jameson, 1818		Ref: M.C. McKenna & S.K. Bell, 1997: 51.
†*Paleomolops* (Genus) Cifelli, 1994		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Pappotheriidae* (Family) Slaughter, 1965		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Picopsidae* (Family) Fox, 1980		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
*Placentalia* (Cohort) Owen, 1837		Ref: M.C. McKenna & S.K. Bell, 1997: 80.
†*Plicatodontidae* (Family) Ameghino, 1904		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
†*Potamotelsidae* (Family) Nessov, 1987, nom. nud.		Ref: M.C. McKenna & S.K. Bell, 1997: 50.
†*Russellmyinae* (Subfamily) Estravis, 1990		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Tetraprothomo* (Genus) Ameghino, 1907		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Tribotherium* (Genus) Sigogneau-Russell, 1991		Ref: M.C. McKenna & S.K. Bell, 1997: 49.
†*Zygiocuspis* (Genus) Cifelli, 1990		Ref: M.C. McKenna & S.K. Bell, 1997: 49.

Current position

Tribosphenida (Infralegion) McKenna, 1975

Ref: M.C. McKenna & S.K. Bell, 1997: 49. [new rank]

Historical positions

Tribosphenida (Infralegion) McKenna, 1975

Ref: M.C. McKenna & S.K. Bell, 1997: 49. [new rank]

Number of Subtaxa

1989-present	Systema Naturae 2000	24o;93f;1089g;4588s; ‡25g;88s; †16o;260f;3902g
1997	M.C. McKenna & S.K. Bell	[22o;123f;1078g; ‡1o;6f;43g; †16o;256f;3874g]