- Rhizonympha*, Snyderella, Stephanonympha.
Spirotrichonymphida Gr****é 1952.
Holomastigotes*, Holomastigotoides, Microjoenia*, Micromastigotes*, Rostronympha*,...
- hindgut:
Dinenympha fimbriata Kirby, 1924
Dinenympha gracilis Leidy, 1877
Holomastigotes elongatum Gr****i, 1892
Microjoenia fallax (Duboscq & Gr****é, 1928) Monocercomonas...