| Ophryoglena Ehrenberg, 1831. Many species. |
|
| Protophryoglena Mugard, 1949 (syn. of Ophryoglena?). Single species. |
| Contents | Classes | Subclasses | Orders | Suborders | Families |
Family OPHRYOGLENIDAE Kent, 1881
With characteristics of suborder s.s. (above). Fresh-water, histophagous (occasionally parasitic) forms, with slender, inconspicuous theronts; number of tomites (produced within cyst) varies, 4-128.
| Ophryoglena Ehrenberg, 1831. Many species. |
|
| Protophryoglena Mugard, 1949 (syn. of Ophryoglena?). Single species. |
