Caulacanthaceae Family accepted

Endocladiaceae Family accepted

Sebdeniaceae Family accepted

Nemastomataceae Family accepted

Hypneaceae Family accepted

Sarcodiaceae Family accepted

Schizymeniaceae Family accepted

Phyllophoraceae Family accepted

Gigartinaceae Family accepted

Gloiosiphoniaceae Family accepted

Peyssonneliaceae Family accepted

Solieriaceae Family accepted

Dumontiaceae Family accepted

Halymeniaceae Family accepted

Kallymeniaceae Family accepted

Rhizophyllidaceae Family accepted

Plocamiaceae Family accepted