Genus:
Two chloroplasts with axis and laminae structure;
axis short, laminae also short making the chloroplasts star-shaped
Species: Cell body cylindrical, distinctly broader than 10 μm; chloroplasts with longitudinal, twisting ridges (Coesel & Meesters, 2007). |
31 μm
63 μm
94 μm; x 640
Penium cylindrus (Ehrenberg) Brébisson,
cell body 38 μm long, 13 μm wide,
x 640, Omine-numa (pond/marsh), Tsukiyono town, Gunma Pref., Japan, September 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
