Class KARYORELICTEA Corliss, 1974

Order Protostomatida Small & Lynn, 1985

Order Loxodida Jankowski, 1980

Order Protoheterotrichida Nouzarède, 1977

Incertae sedis in Class KARYORELICTEA

- Ciliofaurea Dragesco, 1960
- Corlissia Dragesco, 1960 [1954]