Species: 70-170 μm long, 25-36 μm wide; cell body cylindrical; rounded anteriorly & tapered posteriorly; spiral stiation; nucleus posterior; flagellum longer than body; stigma about 7 μm in diam., many fusiform chloroplasts aligned with the striae; numerous haematochrome granules; paramylum bodies ovoid (Kudo, 1966).
E. rubra
101 x 23 μm
Japan, 1998
E. rubra
μm
Yamagata, 1999
