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Lobosea: Testacealobosia: Arcellinida: Difflugina (formerly Arcellina): Hyalospheniidae

 Hyalosphenia nobilis
Cash 1909

Hyalosphenia Genus: Test ovate, discoid in cross-section; pseudostome a terminal slit (Illustrated Guide, 1985).
Species: Test flask-shaped, 200 μm long, 90 μm wide (Cash, The British Freshwater Rhizopoda and Heliozoa vol. II, 1909).

Hyalosphenia nobilis Cash, cell body μm long, μm wide, L/W=, x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, September 24, 2008 collected by Eizaburo Tsukii, photo 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
Hyalosphenia nobilis Hyalosphenia nobilis Hyalosphenia nobilis

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