| Calosiphoniaceae
| | Calosiphonia vermicularis, Schmitzia neapolitana | 2 |
| Caulacanthaceae
| | Catenella caespitosa, Caulacanthus okamurae, Feldmannophycus rayssiae | 3 |
| Cruoriaceae
| | Cruoria pellita, Cruoria cruoriiformis, Pseudopolyides furcellarioides | 3 |
| Cystocloniaceae
| | Rhodophyllis divaricata, Calliblepharis jubata, Calliblepharis ciliata, Hypnea musciformis | 12 |
| Dumontiaceae
| | Dilsea carnosa, Dudresnaya verticillata, Dumontia contorta, Dudresnaya crassa | 8 |
| Furcellariaceae
| | Furcellaria lumbricalis, Halarachnion ligulatum, Neurocaulon foliosum | 3 |
| Gelidiellaceae
| | Pterocladiella capillacea, Gelidiella calcicola, Gelidiella tinerfensis, Parviphycus setaceus | 10 |
| Gigartinaceae
| | Chondrus crispus, Gigartina pistillata, Chondracanthus acicularis, Chondracanthus teedei | 5 |
| Gloiosiphoniaceae
| | Gloiosiphonia capillaris, Thuretella schousboei | 2 |
| Kallymeniaceae
| | Kallymenia reniformis, Callophyllis laciniata, Kallymenia spathulata, Meredithia microphylla | 9 |
| Phyllophoraceae
| | Mastocarpus stellatus, Gymnogongrus crenulatus, Stenogramme interrupta, Phyllophora crispa | 18 |
| Polyidaceae
| | Polyides rotunda | 1 |
| Ptilocladiopsidaceae
| | Ptilocladiopsis horrida | 1 |
| Rhizophyllidaceae
| | Contarinia peyssonneliaeformis, Contarinia squamariae | 2 |
| Rissoellaceae
| | Rissoella verruculosa | 1 |
| Sarcodiaceae
| | Chondrymenia lobata | 1 |
| Schmiziellaceae
| | Schmitziella endophloea | 1 |
| Solieriaceae
| | Agardhiella subulata, Solieria filiformis, Solieria chordalis, Wurdemannia miniata | 6 |