image_list image_listE

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 Stokes, lorica on stalk, 50 μm long, 24 μm wide, stalk about 5 μm long, x 640, a pond at Tama-gawa green park, Fuchu city, Tokyo, Japan, March 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cothurnia annulata Cothurnia annulata Cothurnia annulata Cothurnia annulata

Please click on images for viewing enlarged.
Copyright Protist Information Server