De klasse Chlorophyceae Wille kent 10 orden.
| Chaetopeltidales C.J.O'Kelly, Shin Watanabe, & G.L.Floyd | Microsporales Bohlin |
| Chaetophorales Wille | Oedogoniales Heering |
| Chlamydomonadales F.E.Fritsch |
Phaeophilales D.F. Chappell et al. |
| Chlorocystidales Lindstrom, S. C., Hanic, L.A. & Golden, L. | Sphaeropleales Luerssen |
