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).
Similar genus -->>Trachelomonas;
Strombomonas fluviatilis (Lemmermann) Deflandre,
lorica μm long, μm wide, long neck, posterior pointed (or tapered),
x 640, Higusa-numa (swamp), Miyakawa, Hikari town, Chiba Pref., Japan, September 2003 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Trachelomonas (Strombomonas) fluviatilis (Lemmermann) Deflandre:
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).