Rhizosolenia (rye-so-so-lean-ee-a) setigera, one of the common genera of marine phytoplantkonic diatoms, a centric diatom in which the valves, at the ends of the cells, are conical and give rise to spines. Much of the long cylindrical body is enclosed with hoop-shaped girdle bands. Phase contrast microscopy.
data on this strain.