Aspetti generali

Isochrysidales

Noelaerhabdaceae

Gephyrocapsa

Gephyrocapsa huxleyi 

Zygodiscales

Pontosphaeraceae

Pontosphaera syracusana

Syracosphaerales

Syracosphaeraceae

Syracosphaera

Syracosphaera pulchra

Rhabdosphaeraceae

Rhabdosphaera

Rabdosphaera tignifer

SILICOFLAGELLATAE

Dictyocha fibula

Dictyocha speculum