Surirella approximata Woodhead & Tweed ex Cocquyt, Jüttner & Kusber Surirella approximata Woodhead & Tweed ex Cocquyt, Jüttner & Kusber in Diatom Res. 28: 122. 2013is basionym for Iconella approximata (Woodhead & Tweed) Cocquyt, Jüttner & Kusber in PhytoKeys 82: 83. 2017