Genus: Lorica has constricted neck instead of collar; lorica smooth; many species
(How to know the protozoa, 1979).
Species:
Lorica broad spindle-shaped or ellipsoidal, collar cylindrical, surface smooth,
28-38 μm long, 12-17 μm wide, lorica opening slanted
(Illustrations of the Fresh-water Algae, 1977).