After Parker, 1982
<==o Phaeophyceae (brown algae) |--o ECTOCARPALES | |-- Ectocarpaceae | |-- Ralfsiaceae | `-- Sorocarpaceae |--o CHORDARIALES | |-- Myrionemataceae | |-- Elachistaceae | |-- Corynophlaeaceae | |-- Spermatochnaceae | |-- Acrotrichaceae | |-- Chordariaceae | |-- Ishigeaceae | |-- Chordariopsidaceae | |-- Notheiaceae | `-- Splachnidiaceae |--o CUTLERIALES | `-- Cutleriaceae* |--o TILOPTERIDALES | `-- Tilopteridaceae* |--o SPHACELARIALES | |-- Sphacelariaceae | |-- Stypocaulaceae | |-- Cladostephaceae | `-- Choristocarpaceae |--o DICTYOTALES | `-- Dictyotaceae* |--o SPOROCHNALES | `-- Sporochnaceae* |--o DESMARESTIALES | |-- Desmarestiaceae | `-- Arthrocladiaceae |--o DICTYOSIPHONALES | |-- Myriotrichiaceae | |-- Giraudiaceae | |-- Striariaceae | |-- Delamareaceae | |-- Punctariaceae | |-- Chnoosporaceae | `-- Dictyosiphonaceae |--o SCYTOSIPHONALES | `-- Scytosiphonaceae* |--o LAMINARIALES | |-- Chordaceae | |-- Laminariaceae | |-- Lessoniaceae | `-- Alariaceae |--o FUCALES | |-- Fucaceae | |-- Himanthaliaceae | |-- Hormosiraceae | |-- Phyllosporaceae | |-- Sargassaceae | `-- Cystoseiraceae |--o DURVILLAEALES | `-- Durvillaeaceae* `--o ASCOSEIRALES `-- Ascoseiraceae*
Reference(s):
- Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company