Figure 1 from: Jahn R, Kusber W-H, Cocquyt C (2017) Differentiating Iconella from Surirella (Bacillariophyceae): typifying four Ehrenberg names and a preliminary checklist of the African taxa. PhytoKeys 82: 73-112. https://doi.org/10.3897/phytokeys.82.13542

Figure 1 - Iconella bifrons A–B Lectotype: BHUPM 540128-6 C–D Ehrenberg's drawing BHUPM 1130 showing different shapes of the same species in Ehrenberg's concept. Scale bar for A = 10 µm.