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 ovalis var. apiculata O. Muell . in Bot. Jahrb. Syst. 34: 36, pl. 2: fig. 10. 1903. Lectotype (designated by Cocquyt and Jahn 2007c ). [icon] Mueller (1903): pl. 2: fig. 10 "basin near the hot spring at Utengule, Tanzania". = Surirella ovalis [var. apiculata ] f. minor O. Muell . in Bot. Jahrb. Syst. 34: 36, pl. 2: fig. 11. 1903. Lectotype (designated by Cocquyt and Jahn 2007c ). [icon] Mueller (1903): pl. 2: fig. 11 "Lake Rukwa".