After Parker, 1982

Alternative taxonomy after Freshwater, 1999 [“The Tree of Life”]

<==o Rhodophyceae Thuret, 1855, emend. Rabenhorst, 1863, emend. Adl et al., 2005 [Rhodophyta Wettstein, 1901; Rhodoplantae Saunders & Hommersand, 2004; Rhodophycota] (punalevät; red algae)
   |-- †Solenopora Camb.-Jur. [Coralline red algae]
   |?- †Epiphyton [Epiphytaceae] Camb.
   |-- †Lithothamnium Jur. [Coralline red algae]
   |-- †Lithoporella Jur. [Coralline red algae]
   |-- †Lithophyllum Jur. [Coralline red algae]
   |-- Dasyphloea
   |-- Eucheuma
   |-- Rhodophysema
   |--o Bangiophycideae
   |  |--o Porphyridiales
   |  |  |--o Porphyridiaceae
   |  |  |  `-- Porphyra
   |  |  |-- Goniotrichaceae
   |  |  `-- Phragmonemataceae
   |  |--o Bangiales
   |  |  |-- Erythropeltidaceae
   |  |  |-- Banglaceae
   |  |  `-- Boldiaceae
   |  |--o Compsopogonales
   |  |  `-- Compsopogonaceae
   |  `--o Rhodochaetales
   |     `-- Rhodochaetaceae
   `--o Florideophycideae
      |--o Nemaliales
      |  |-- Acrochaetiaceae
      |  |-- Batrachospermaceae
      |  |-- Lemaneaceae
      |  |-- Thoreaceae
      |  |-- Helminthocladiaceae
      |  |--o Nemaliaceae
      |  |  `-- Nemalion
      |  |-- Dermatonemataceae
      |  |-- Chaetangiaceae
      |  |-- Naccariaceae
      |  |--o Bonnemaisoniaceae
      |  |  `-- Bonnemaisonia
      |  |-- Celidiaceae
      |  |-- Gelidiellaceae
      |  `-- Wurdemanniaceae
      |--o Cryptonemiales
      |  |-- Weeksiaceae
      |  |-- Dumontiaceae
      |  |-- Choreocolacaceae
      |  |-- Cryptonemiaceae
      |  |-- Corynomorphaceae
      |  |-- Pseudoanemoniaceae
      |  |-- Kallymeniaceae
      |  |-- Endocladiaceae
      |  |-- Crossocarpaceae
      |  |-- Gloiosiphoniaceae
      |  |-- Tichocarpaceae
      |  |-- Hildenbrandiaceae
      |  |-- Pterocladiophilaceae
      |  |-- Peyssonneliaceae
      |  `-- Corallinaceae
      |--o Gigartinales
      |  |-- Gymnophlaeceae
      |  |--o Gracilariaceae
      |  |  `-- Gracilaria
      |  |-- Sebdeniaceae
      |  |-- Calosiphoniaceae
      |  |-- Petrocelidaceae
      |  |-- Phyllophoraceae
      |  |-- Gigartinaceae
      |  |-- Chondriellaceae
      |  |-- Polyideaceae
      |  |--o Nizymeniaceae
      |  |  `-- Nizymenia
      |  |-- Rhizophyllidaceae
      |  |-- Acrotylaceae
      |  |-- Plocamiaceae
      |  |--o Sphaerococcaceae
      |  |  `-- Sphaerococcus
      |  |-- Phacelocarpaceae
      |  |-- Sarcodiaceae
      |  |-- Furcellariaceae
      |  |-- Solieriaceae
      |  |-- Hypneaceae
      |  |-- Rissoellaceae
      |  |-- Rhabdoniaceae
      |  |-- Cubiculosporaceae
      |  |-- Rhodophyllidaceae
      |  |-- Mychodeaceae
      |  |-- Dicranemaceae
      |  |-- Cruoriaceae
      |  `-- Blinksiaceae
      |--o Rhodymeniales
      |  |--o Rhodymeniaceae
      |  |  `-- Rhodymenia
      |  `-- Champiaceae
      |--o Palmariales
      |  `-- Palmariaceae
      `--o Ceramiales
         |--o Ceramiaceae
         |  `-- Ceramium
         |-- Delesseriaceae
         |--o Dasyaceae
         |  `-- Dasya
         `-- Rhodomelaceae

Reference(s):