Cyclotella cf. kuetzingiana

Systematics :

Kingdom: Chromista
Phylum: Diatoms (Bacillariophyta)
Class: Bacillariophyceae
Order: Centrales
Suborder: Coscinodiscineae
Family: Thalassiosiraceae
Genus: Cyclotella
Species (sp.): Cyclotella cf. kuetzingiana