| Including | : | Phaeocystida (Order) Haeckel, 1887 | |
Ref: GGI, present: 7 Jan 2015 (Lee et al., 2000). [inferred] |
| Including | : | Phaeogymnocellida (Order) J. Cachon & M. Cachon, 1982 ex Cachon & Cachon, 1985 | |
Ref: GGI, present: 7 Jan 2015 (Lee et al., 2000). [inferred] |