Bangiales (additional source)
Bangiophycidae (additional source)
Ceramiales (additional source)
Chondrus Stackhouse, 1797 (additional source)
Compsopogonales (additional source)
Cryptonemiales (additional source)
Florideophycidae accepted as Florideophyceae (additional source)
Gigartinaceae Bory, 1828 (additional source)
Gigartinales (additional source)
Goniotrichales (basis of record)
Nemaliales (additional source)
Palmariales (additional source)
Phyllophora Greville, 1830 (additional source)
Phyllophoraceae Willkomm, 1854 (additional source)
Porphyridiales (additional source)
Rhodochaetales (additional source)
Rhodymeniales (additional source)

 Classification

 for Ahnfeltia Fries, 1836

anaolguos to Parker [details]

 Classification

 for Bonnemaisoniaceae Schmitz, 1892

This family is not in a seperate order, but is member of Nemaliales [details]

 Classification

 for Gelidiaceae Kützing, 1843

This family is not in a seperate order, but is member of Nemaliales [details]

 Classification

 for Plocamiaceae Kützing, 1843

This family is not in a seperate order, but is member of Gigartinales [details]