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Oligohymenophorea: Peritrichia: Vaginicolidae

Cothurnia annulata
Stokes

Cothurnia 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 ?, cell body 77 μm long, 14 μm wide, peristome 20 μm, lorica 58 μm long, 24 μm wide, x 640, Akigase Park, Saitama city, Saitama Pref., Japan, March 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cothurnia annulata Cothurnia annulata Cothurnia annulata Cothurnia annulata Cothurnia annulata


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