WRiMS Taxon list
- Cyclostephanos delicatus (S.I.Genkel) S.J.Casper & W.Scheffler, 1990 accepted as Stephanodiscus delicatus S.I.Genkal, 1985
- Cyclotella atomus Hustedt, 1937 (uncertain > unassessed)
- Cyclotella cryptica Reimann, Lewin & Guillard, 1963 (uncertain > unassessed)
- Cyclotella pseudostelligera Hustedt, 1939 (uncertain > unassessed)
- Cyclotella woltereckii Hustedt, 1942 (uncertain > unassessed)
- Discostella woltereckii (Hustedt) V.Houk & R.Klee, 2004 accepted as Cyclotella woltereckii Hustedt, 1942
- Stephanodiscus binderanus (Kützing) Krieger, 1927
- Stephanodiscus delicatus S.I.Genkal, 1985 (uncertain > unassessed)
- Stephanodiscus subtilis (Goor) A.Cleve, 1951
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