Porocharaceae Grambast, 1962 family accepted

Characeae Agardh, 1824 family accepted

Clavatoraceae Pia, 1927 family accepted

Raskyellaceae Grambast, 1957 family accepted

Stellatocharaceae J.E. Conkin & B.M. Conkin, 1997 family accepted

Feistiellaceae Schudack, 1993 family accepted

Eocharaceae Grambast, 1959 family accepted

Palaeocharaceae Pia, 1927 family accepted