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Diploneis cf elliptica

Algal factsheet: Diploneis cf elliptica (Diploneidaceae)

Diploneis, Cluthe River, X1600
Diploneis, Waikouaiti estuary, X640

Diagnostic features

Valves identical, each possessing a raphe (i.e. the genus is biraphid). Frustules ovoid in valve view; the ends are bluntly rounded. There is a prominent longitudinal centre line, interrupted by an empty central area. The valve is heavily ribbed.

Typical habitats

River and lake habitats, typically in low abundance

Classification

Kingdom	Chromista
Phylum	Ochrophyta
Subphylum	Khakista
Class	Bacillariophyceae
Order	Naviculales
Family	Diploneidaceae
Common name	Diatoms