| Clade-based name | : | Theria (Clade) Parker & Haswell 1897 [McKenna 1975] | |
Ref: M.J. Benton, 2015: 443. [inferred] |
| Current rank | : | Theria (Subclass) Parker & Haswell, 1897 | |
Ref: C.J. Burgin et al., 2020: table 2 (p. 26). [inferred] |
| Current rank | : | Theria (Superlegion) Parker & Haswell, 1897 | |
Ref: A.O. Averianov & A.V. Lopatin, 2011: 34. [inferred] |
| Current rank | : | Theria (Supercohort) Parker & Haswell, 1897 | |
Ref: M.C. McKenna & S.K. Bell, 1997: 49. [inferred] |
| Former rank | : | Theria (Subclass) Parker & Haswell, 1897 | |
Ref: M.J. Benton, 2015: 443. [inferred] |
| Former rank | : | Theria (Supercohort) Parker & Haswell, 1897 | |
Ref: M.J. Benton, 2015: 443. [inferred] |