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