Fig. 2

Light micrographs of Gambierdiscus excentricus. a: Bright field (BF) micrograph showing a cell in mid cell focus. b: DIC micrograph of an empty hypotheca, note the tabulation. c: DIC micrograph of an empty epitheca, note the tabulation. d, e: BF micrographs of an empty epitheca in different focal planes showing the tabulation. Scale bars = 10 μm