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Diagnostic features

Valves curved, with a straight or curved short edge and a curved or wavy long edge depending on species. Some species form filaments. Very short raphes on each valve, running from the mantle onto the valve face at each end of the cell (may be difficult to see).

Typical habitats

All sorts of habitats (many species)


Kingdom Chromista
Phylum Ochrophyta
Class Bacillariophyceae
Order Eunotiales
Family Eunotiaceae
Common name Diatoms