Surirella Turpin


Frustules biraphid, symmetrical to the apical axis, symmetrical or asymmetrical to transapical axis, elliptical to broadly linear to clavate in outline, some species are spirally twisted. Raphe elevated along the margin of the valves in wing. Striae fine to unresolved. Valves large to small in size.

Light Microscope Image(s)

Each image is accompanied by the genus and species, California Academy of Sciences slide number (ie. CAS 612010), location of the specimen on the slide, and dimension in microns.