De orde Cladophorales Haeckel kent 9 families.
| Anadyomenaceae Kützing | Okellyaceae Leliaert & Rueness |
Siphonocladaceae Schmitz |
| Boodleaceae Børgesen |
Pithophoraceae Wittrock |
Valoniaceae Kützing |
| Cladophoraceae Wille |
Pseudocladophoraceae Boedeker & Leliaert |
Wittrockiellaceae Wille |
