Genus: Body not flattened; no obvious dome; body kineties slightly spiralled;
often contractile (Illustrated Guide, 1985).
elongate or vermiform, circular in cross-section; highly contractile;
cone-like proboscis absent; always elongate; a large contractile vacuole
at posterior end (Carey, 1992).
Species: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
