Genus: Greater part of axopodia and cell body covered by a thick gelatinous mantle (Kudo, 1966).
Species: About 30 μm in diameter; often colonial (Kudo, 1966). |
Sphaerastrum fockei Greeff,
cell body μm long, μm wide,
x 640, Naruto town, Chiba Pref., Japan, September 2003 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640