Oligohymenophorea: Peritrichia: Sessilida: Vaginicolidae

 Cothurnia
Ehrenberg, 1831

Family: Loricate; with or without stalk; body slender, extensible, attached in lorica aborally; macronucleus long (Illustrated Guide, 1985).
Genus: 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).

Cothurnia, x 400, x 640, Aug. 7-13 1999, Vermont-Maine U.S.A., 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

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