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Prostomatea: Prostomatida: Metacystidae

 Vasicola sp.
Tatem, 1869

Vasicola Genus: Ovoid with caudal cilia; lorica flask-shape, ringed; cytostome with four rows of long cilia; body surface with shorter cilia; macronucleus round (Kudo, 1966). Large protruding vacuole absent (Carey, 1992).
Species:
Similar Genus -> > Metacystis

Vasicola sp., lorica 120 μm long, 19-25 μm wide, L/W=4.8-6.3, x 400, x 640, Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 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
Vasicola Vasicola
Vasicola Vasicola Vasicola Vasicola
Lorica 115 μm long, 19-23 μm wide, L/W=5.0-6.0, x 640
Vasicola Vasicola

Images of collecting locality: Yukawa-numa (pond), Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 by Y. Tsukii

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