Staurosirella D.M. Williams & F.E. Round
Frustule araphid, valves linked in chains by corners or face to face contact. Valves elliptical or linear occasionally cruciform. Striae uniserate, sternum wide, apical pore fields usually large, sometimes absent.
Type Species: S. lapponica
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.