| Subsequent rank | : | †Fusulinidia (Subclass) Fursenko, 1958 | |
Ref: T. Cavalier-Smith, 1993b: table 4 (p. 972). [new] [implicit] |
| Former rank | : | †Fusulinina (Suborder) Wedekind, 1937 | |
Ref: J.J. Lee et al., 2000: 878. [inferred] |
| Former rank | : | †Fusulinoidea (Superfamily) von Möller, 1878 | |
Ref: V.I. Mikhalevich, 2013: 509. [inferred] |