IRMNG Taxon list
- Rhabdonema adriaticum Kützing, 1844
- Rhabdonema arcuatum (Lyngbye) Kützing, 1844
- Rhabdonema crassum Hendey, 1964
- Rhabdonema hamuliferum Kitton, 1878
- Rhabdonema minutum Kützing, 1844
- Rhabdonema mirificum W. Sm., 1856
- Rhabdonema robustum Grunow, 1862
- Rhabdonema torelli Cleve, 1873
- Tessella interrupta Ehrenberg, 1838 accepted as Microtabella interrupta (Ehrenberg) F.E. Round, 1990
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