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Euglenophyceae: Euglenales
Euglenida:

Strombomonas acuminata
var. amphora Playfair

Strombomonas borysteniensis Genus: Lorica has constricted neck instead of collar; lorica smooth; many species (How to know the protozoa, 1979).
Species: var. acuminata; Lorica smooth, laterally depressed, 50-59 μm long, collar short cylindrical, posterior end tapered to form spiny projection
var. amphora: 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).
Similar genus -->> Trachelomonas;

Strombomonas acuminata var. amphora ?, lorica 36 μm long, 23 μm wide, long neck, posterior pointed (or tapered), x 400, x 640, Saitama Pref., Japan May-June 1999 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Strombomonas Strombomonas Strombomonas Strombomonas Strombomonas

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).

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