Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Microbiotheria - (Family) Microbiotheriidae

Original position

Questionably Microbiotheriidae (Family) Ameghino, 1887

Current position

Microbiotheriidae (Family) Ameghino, 1887

Ref: A.L. Gardner, 2005: 21; Carneiro et al., 2018: fig. 5.

Alternative positions

Didelphidae (Family) Gray, 1821

Ref: A.F. DeBlase, 1982: 1017. [alternative position]

Historical positions

Microbiotheria (Order) Ameghino, 1889	Ref: É.V. Oliveira et al., 2021: fig. 6. [rough position]
Microbiotheria (Order) Ameghino, 1889	Ref: L.M. Carneiro et al., 2018: fig. 5. [rough position]
Microbiotheriidae (Family) Ameghino, 1887	Ref: A.L. Gardner, 2005: 21.
Microbiotheriidae (Family) Ameghino, 1887	Ref: M.C. McKenna & S.K. Bell, 1997: 53.
Microbiotheriidae (Family) Ameghino, 1887	Ref: A.L. Gardner, 1993: 27.
Microbiotheriidae (Family) Ameghino, 1887	Ref: R.M. Nowak, 1991: 28-29.
Microbiotheriidae (Family) Ameghino, 1887	Ref: G.B. Corbet & J.E. Hill, 1991: 12.
Microbiotheriidae (Family) Ameghino, 1887	Ref: S.P. Parker, 1982: 1017.
Didelphidae (Family) Gray, 1821	Ref: A.F. DeBlase, 1982: 1017. [alternative position]

Number of Subtaxa

2026	Available in Systema Naturae 2000	1s
1989-present	Systema Naturae 2000	[1s]
2005	A.L. Gardner	[1s]
1993	A.L. Gardner	[1s]
1991	G.B. Corbet & J.E. Hill	[1s]
1991	R.M. Nowak	1s
1982	A.F. DeBlase	1s