The World of Protozoa, Rotifera, Nematoda and Oligochaeta
Tiarina
Tiarina Bergh, 1880
[ref. ID; 3596]
Body spindle-shaped, covered with oblong plates arranged in rows running through the body; mouth located at the truncated anterior end surrounded by tooth-like processes of terminals of the oral plates; posterior region tapering to a pointed tip; cilia rather dense on the oral border, sparse on the surface of the body. (ref. ID; 3596)
Body fusiform, length 2.7-3.0 of the greatest width; five rectangular plates lengthwise in a row, each having several knots; longitudinal rows of plates about ten in number; macronucleus single, comparatively large, spherical, placed near the center of the body; contractile vacuole invisible. (ref. ID; 3596)