Surirella spiraloides Hust. Surirella spiraloides Hust., Huber-Pestalozzi, Phytoplankt. Süsswass. vol. 2 (2), 507, fig. 617. 1942is basionym for Iconella spiraloides (Hust.) Cocquyt & R.Jahn in PhytoKeys 82: 96. 2017