Drawing

Description:

Actinomonas vernalis Stokes, 1885. Cells subspherical, the frontal border slightly emarginate, somewhat changeable in shape, free-swimming or temporarily attached by a short pedicel, flagellum active throughout its length. The flagellum equals or somewhat exceeds the diameter of the body in length, cytoplasm transparent, slightly granular, pseudopodia few in number, radiating from any part of the periphery, simple or variously branched, often capitate, sometimes curved, their length exceeding the diameter of the body, several small contractile vacuoles distributed near the periphery, nucleus spherical, subcentral. Diameter of body 16.9-21.2 microns Status of taxon dubious.