Surirella brevicostata var. elongata Hust. ex Simonsen Surirella brevicostata var. elongata Hust. ex Simonsen, Atlas and Catalogue of the Diatom Types of F. Hustedt 1: 50. Aug 1987is basionym for Iconella brevicostata var. elongata (Hust. ex Simonsen) Cocquyt & R.Jahn in PhytoKeys 82: 84. 2017