- Conferva flocculosa Roth, 1797 accepted as Tabellaria flocculosa (Roth) Kützing, 1844
- Conferva hyemalis Roth, 1800 accepted as Diatoma hyemalis (Roth) Heiberg, 1863
- Conferva lineata Dillwyn, 1809 accepted as Melosira lineata (Dillwyn) C.Agardh, 1824
- Conferva moniliformis O.F.Müller, 1783 accepted as Melosira moniliformis (O.F.Müller) C.Agardh, 1824
- Conferva pectinalis O.F.Müller, 1788 accepted as Fragilaria pectinalis (O.F.Müller) Lyngbye, 1819
- Conferva rutilans Trentepohl ex Roth, 1806 accepted as Berkeleya rutilans (Trentepohl ex Roth) Grunow, 1880