Drawing

Description:

Colpodella angusta (Dujardin) Simpson & Patterson 1986. Cell elongate, linear, compressed, more or less pointed at the two ends, five or six times as long as broad, teisted spirally or in a screw-like manner on its longitudinal axis, flagella slender, subequal, inserted close to each other at the apex of the anterior end, equaling the body in length, both directed forwards and active when the cell is swimming, the posterior one sometimes used for the temporary attachment of the cell, contractile vacuole posteriorly located, nucleus inconspicuous. Length of body 10 microns