| Kingdom | Phylum | Class | Order |
|---|---|---|---|
| Chromista | Ciliophora | Hypotrichea | Stichotrichida |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| genus | Kahliella | doubtful |
| genus | Metastrongylidium | accepted |
| genus | Microspiretta Jankowski, 1975 | doubtful |
| genus | Parastrongylidium Fleury & Fryd-Versavel, 1985 | accepted |
| genus | Pelagotrichidium Yankovskij, 1978 | accepted |
| genus | Peritromoides Bhatia, 1936 | doubtful |
| genus | Plesiotricha Dragesco, 1970 | doubtful |
| genus | Schizosiphon Kent, 1882 | doubtful |
| genus | Spiretella Borror, 1972 | doubtful |
| genus | Spirofilum Gelei, 1929 | doubtful |
| genus | Stichoticha | accepted |
| genus | Stichotricha Perty, 1849 | accepted |
| genus | Uroleptapsis Dragesco, 1970 | doubtful |
| genus | Urospinula Corliss, 1960 | accepted |
| genus | Urostrongylum Kahl, 1932 | accepted |
Spirofilidae. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2021-09-08.