Drawing

Опис:

Stephanoeca paucicostata Throndsen, 1969. Cells have 12-14 longitudinal costae and 3 transverse costae, one of which is the anterior rim, in its anterior chamber and an irregular arrangement in the posterior chamber. Overall length of the lorica is 16-17 microns The anterior lorica chamber is 10 microns long and 9 microns wide. The length of posterior lorica chamber is 6.5 microns, its width is 6.4 microns