Vermiporellaceae family accepted

Borodinellaceae family accepted

Acrosiphoniaceae family synonym

Collinsiellaceae family accepted

Acrosiphonaceae family synonym

Sarcinofilaceae family accepted

Kraftionemaceae family accepted

Gomontiaceae family accepted

Helicodictyaceae family accepted

Ulotrichaceae family accepted

Rhynchertia D.S.Edwards & A.G.Lyon, 1983 genus doubtful

Gloeotilaceae family accepted

Anatoliporaceae family accepted

Mackiella D.S.Edwards & A.G.Lyon, 1983 genus doubtful

Planophilaceae family accepted

Binucleariaceae family accepted

Tupiellaceae family accepted

Hazeniaceae family accepted