Species: 198-360 μm long,
20-40 μm wide;
long cylindrical, somewhat flattened and slightly-twisted;
anterior end rounded, posterior end pointed;
numerous discoid chloroplasts; many rod-shaped paramylon (paramylum) bodies;
no pyrenoids; nucleus big, cylindrical, lying in the center;
stigma large (Zakrys, 1986).
Euglena gigas Drezepolski,
cell body 340 μm long, 35 μm wide,
x 200, x 400, x 640, Kijioka Castle Ruin, Kodama town, Saitama Pref., Japan, June 2003 by Y. Tsukii
50 μm
100 μm
150 μm; x 400
Cell body slightly flattened, x 400, x 640
Ref:
Drezepolski (1925) Kosmos, 50: 243.
Zakrys, B. (1986) Contribution to the monograph of Polish members of the genus Euglena Ehrenberg 1830,
Nova Hedwigia, 42: 491-540.