Differentiating Iconella from Surirella (Bacillariophyceae): typifying four Ehrenberg names and a preliminary checklist of the African taxa Author Jahn, Regine Botanischer Garten und Botanisches Museum Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Str. 6 - 8, 14195 Berlin, Germany r.jahn@bgbm.org Author Kusber, Wolf-Henning Botanischer Garten und Botanisches Museum Dahlem, Freie Universitaet Berlin, Koenigin-Luise-Str. 6 - 8, 14195 Berlin, Germany Author Cocquyt, Christine Botanic Garden Meise, Nieuwelaan 38, 1680, Meise, Belgium text PhytoKeys 2017 2017-07-03 82 73 112 http://dx.doi.org/10.3897/phytokeys.82.13542 journal article http://dx.doi.org/10.3897/phytokeys.82.13542 1314-2003-82-73 3433E24DC048FFE06A5CFFF08905FFFB 1138117 Iconella effusa (Hust.) Cocquyt & R. Jahn comb. nov. ≡ Surirella effusa Hust. in A.W.F. Schmidt, Atlas Diatom.-Kunde, pl. 357: figs 1, 2. 1925. Lectotype (designated by Simonsen 1987 ). BRM X2/9 Lake Tanganyika "Tanganika See. 6". http://phycobank.org/100054 Comment. Although Hustedt (in Huber-Pestalozzi 1942 ) reported this taxon as "nicht selten" it was never observed by other investigators.