Drawing

Descrição:

Pteridomonas danica Patterson and Fenchel, 1985. A colourless pedinellid, body 4.5-5 microns long, with one apical flagellum emerging from a slight depression at the anterior of the cell. The flagellum is surrounded by 12 stiffarms. Posterioly, the body gives rise to a stalk. The stalk and arms may be withdrawn in swimming cells.