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Prostomatea: Prostomatida: Metacystidae

 Vasicola sp.
Tatem, 1869

Vasicola Order: No kinetidal specializations at oral region.
Family (Kahl 1926): Cytostome terminal; ciliation uniform; usually encased in a pseudochitinous lorica (Kudo, 1966).
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).
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Similar Genus -> > Metacystis

Vasicola sp. in lorica, More than 50 μm long when extended, 7 μm wide, x 400, x 640, Japan, November 1998 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

V. ciliata Tatem: Body about 100 μm long (Kudo, 1966).
V. parvula Kahl, 1928: Ovoid; 25-30 μm long; cytostome surrounded by long cilia; a long caudal cilium; a macronucleus central; lorica vase-shaped with neck (Carey, 1992).

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