| Former rank | : | Monogenea (Class) Carus, 1863 | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 47). [inferred] |
| Former rank | : | Monogenea (Subclass) Carus, 1863 | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 47). [inferred] |
| Former rank | : | Monogenea (Order) | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 47). [inferred] |
| Former unranked name | : | Monogenea ([unranked]) | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 47). [inferred] |