| Clade-based name | : | Protostomia (Clade) Grobben 1908 [Garey, Halanych, Servin & Lake 2020] | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36). [inferred] |
| Former rank | : | Protostomia (Branch) Grobben, 1908 | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36). [inferred] |
| Former rank | : | Protostomia (Subdivision) Grobben, 1908 | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36). [inferred] |
| Former unranked name | : | Protostomia ([unranked]) Grobben, 1908 | |
Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 36). [inferred] |