| Contophrya de Puytorac & Dragesco, 1968. Single species. |
 |
| Dicontophrya de Puytorac & Dragesco, 1968. Few species. |
 |
| Contents | Classes | Subclasses | Orders | Families |
Family CONTOPHRYIDAE de Puytorac, 1972
Body elongate-ellipsoidal; skeletal fibers little developed; circular area at apical end of body free of cilia; a single median (or two pair of) cytoskeletal hook(s); only two contractile vacuoles; in tropical earthworms.
| Contophrya de Puytorac & Dragesco, 1968. Single species. |
|
| Dicontophrya de Puytorac & Dragesco, 1968. Few species. |
|