Drawing

Description:

Astasia curvata Klebs, 1893. Astasia cells that are spindle-shaped or cylindrical, somewhat flattened, strongly curved with tapered ends. Anterior end opened and posteriorly pointed. Cells strongly metabolic, 32-40-60 microns long, 5-8 microns broad. Flagellum about 0.5-0.66 times cell length. Many small oblong paramylon granules. Nucleus ellipsoidial, almost central.