| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Cyclostephanos costatilimbus | 591107 | (Kob. & Kob.) Stoermer, Håk. & Theriot. | | ITIS | accepted | | Species |
| Cyclostephanos dubius | 591126 | (Fricke) Round in Theriot, Håkansson, Kociolek, Round & Stoermer | | ITIS | accepted | | Species |
| Cyclostephanos invisitatus | 591109 | (M. H. Hohn & Hellerm.) Theriot, Stoermer & Håk. | | ITIS | accepted | | Species |
| Cyclostephanos tholiformis | 591095 | Stoermer, Håk. & Theriot | | ITIS | accepted | | Species |
| Stephanodiscus dubius | 2425 | (Fricke) Hust. | | ITIS | not accepted | synonym of Cyclostephanos dubius | Species |
| Stephanodiscus invisitatus | 2430 | M. H. Hohn & Hellerm. | | ITIS | not accepted | synonym of Cyclostephanos invisitatus | Species |
