Conjugate algae - Desmidium - Spondylosium - Gymnozyga
The two genus Desmidium and Gymnozyga are characterized by forming filaments. Desmidium have filament that is spirally twisted. Gymnozyga has barrel-like cells.
The genus Spondylosium
The size is about 20 my.
Click the picture for a larger version.
Gymnozyga The size is about 20-30 my.
Click the picture for a larger version.
Desmidium. The length is about12-20 my, width 30 my.
Click the picture for a larger version.