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Bicoecida or Bicosoecida:

Bicoeca petiolata
Bicoeca Stein, 1878
Bicosoeca James-Clark, 1866
Subgenus: Poteriodendron Stein, 1878

Poteriodendron Genus: With vase-like lorica; body small, ovoid with rudimentary collar, a flagellum extending through it; protoplasmic body anchored to base by a contractile filament (Kudo, 1966).
Subgenus: sessile, colonial.
Species:

Bicoeca (Bicosoeca) petiolata, cell body 10 μm long, lorica 20 μm long, 10 μm wide, x 400 and x 1000, Japan, 199? by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 20 μm scale 40 μm scale 60 μm; x 1000
Bicoeca Bicoeca Bicoeca Bicoeca Bicoeca
Bicoeca (Bicosoeca) petiolata, dried on a slide glass, x 400, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Bicoeca Bicoeca Bicoeca Bicoeca Bicoeca

Poteriodendron petiolatum: Lorica 17-50 μm high; cell body 21-35 μm long; flagellum twice as long as cell body; contractile vacuole terminal (Kudo, 1966). Colony with each lorica separately stalked (How to know the protozoa, 1979).

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