De orde Palmariales Guiry & D.E.G.Irvine kent 4 families.
| Meiodiscaceae S.L.Clayden & G.W.Saunders | Rhodophysemataceae G.W.Saunders & J.L.McLachlan |
| Palmariaceae Guiry | Rhodothamniellaceae G.W.Saunders |
De orde Palmariales Guiry & D.E.G.Irvine kent 4 families.
| Meiodiscaceae S.L.Clayden & G.W.Saunders | Rhodophysemataceae G.W.Saunders & J.L.McLachlan |
| Palmariaceae Guiry | Rhodothamniellaceae G.W.Saunders |
