Fig. 1From: On culture artefacts in coccolith morphologyPhotographs of the culture flasks used in this study. a Corning culture flask (polystyrene (PS), 250 ml) horizontal position. b Corning culture flask (PS, 250 ml) vertical position. c Erlenmeyer flask (polycarbonate (PC), 250 ml. d Conical centrifuge flask horizontal position (PC, 175 ml)Back to article page