| In | : | Hydrococcaceae (Family) Kützing (1843) | |
Ref: L. Hoffmann et al., 2005: tbl. 3 (p. 111: "incl."). |
| Including | : | Hyelloideae (Subfamily) | |
Ref: J. Komárek et al., 2014: App. 1 (p. 333); 8 Mar 2026. [inferred] |
| Including | : | Pascherinemataceae (Family) | |
Ref: J. Komárek et al., 2014: App. 1 (p. 333); 8 Mar 2026. [inferred] |
| Including | : | Pascherinematoideae (Subfamily) | |
Ref: J. Komárek et al., 2014: App. 1 (p. 333); 8 Mar 2026. [inferred] |
| Including | : | Pleurocapsaceae (Family) Geitler (1925) | |
Ref: J. Komárek et al., 2014: App. 1 (p. 333); 8 Mar 2026. [inferred] |
| Including | : | Podocapsoideae (Subfamily) nom. illeg. | |
Ref: J. Komárek et al., 2014: App. 1 (p. 333); 8 Mar 2026. [inferred] |
| Including | : | Solentioideae (Subfamily) | |
Ref: J. Komárek et al., 2014: App. 1 (p. 333); 8 Mar 2026. [inferred] |