Genus: Lorica has constricted neck instead of collar; lorica smooth; many species
(How to know the protozoa, 1979).
Species: Lorica smooth, laterally depressed, 50-59 μm long, collar short cylindrical, posterior end tapered to form spiny projection (Illustrations of the Fresh-water Algae, 1977). |
Trachelomonas (Strombomonas) acuminata (Schmarda) Stein var. acuminata: Lorica smooth, laterally depressed, 50-59 μm long, collar short cylindrical, posterior end tapered to form spiny projection (Illustrations of the Fresh-water Algae, 1977).
Trachelomonas (Strombomonas) acuminata var. amphora Playfair: Lorica smooth, ovoid or broad ellipsoidal, 38 μm long, 23 μm wide, collar short cylindrical, posterior end tapered to form spiny projection (Illustrations of the Fresh-water Algae, 1977).