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Oligohymenophorea: Peritrichia: Vaginicolidae

 Cothurnia annulata
Stokes

Cothurnia annulata Genus (Ehrenberg, 1831): Lorica attached aborally by stalk; no operculum (Illustrated Guide, 1985). Similar to Vaginicola, but lorica stands on a short stalk; fresh or salt water (Kudo, 1966).
Species: Lorica about 55 μm high; fresh water (Kudo, 1966). Middle of cell body, a ring-like elevation.
Similar Genus ->> Thuricola; Vaginicola; Pyxicola; Platycola

Cothurnia annulata Stokes (or Pyxicola ?), cell body 75 μm long, 12 μm wide, peristome 18 μm wide, lorica 57 μm long, 23 μm wide, opening 17 μm wide, x 640, Takao Sakura park, Takao, Kitamoto city, Saitama Pref., January 22, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cothurnia Cothurnia Cothurnia Cothurnia Cothurnia

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