Synedra sp.

Division: Chromophyta
Class: Bacillariophyceae
Order: Bacillariales
Suborder: Fragilariineae
Family: Fragilariaceae Greville
Genus: Synedra Ehrenberg
Scientific name: Synedra sp.

Frustules elongated, narrow; valve linear, isopolar, lanceolate with rounded or capitate ends.Axial area narrow – some species have a clear transverse central area. Striae parallel, with simple areolate structure in single rows - continuing on to the mantle. Pore field is present at each pole (John, 2000).

Description:
Valve linear with rounded ends; axial area narrow; striae parallel; in single rows.

Dimensions:
Cells length 280-340 µm; width 9-11 µm.

Sites of occurrence in RSA:
In Winter 2006 Cruise, it was present in small numbers at scattered stations (refer sites map).