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 Surirella olungensis Cocquyt & R. Jahn in Cryptog. Algol. 28: 111, figs 7-12, 18-21. 2007. Holotype. B 40 0040232 [http://herbarium.bgbm.org/object/B400040232] (the valve representing the holotype is illustrated as fig. 7 in Cocquyt and Jahn 2007c ) " Olunga River (Ohmga) in Ussangu northern Mount Kinga, Tanzania (sample B 52 0000058 [http://herbarium.bgbm.org/object/B520000058])".