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Lobosea: Testacealobosia: Arcellinida: Lesquereusiidae (formerly Paraquadrulidae)

Quadrulella symmetrica
Wallich 1863
Quadrula symmetrica Wallich (Kudo 1966)
Quadrula symmetrica (Wallich) F. E. Schulze (Cash 1909)

Quadrulella Genus: Test flask-shaped (Illustrated Guide, 1985).
Species: Test variable in size, about 96 μm long, 60-70 μm wide, 40 μm in thickness; frontal view pyriform, pseudostome slightly convex, dorsoventrally compressed; transparent chitinous plates arranged in series across the surface (Cash, The British Freshwater Rhizopoda and Heliozoa vol. II, 1909).


Quadrulella symmetrica Wallich, test 65 μm long, 31 μm wide, L/W=2.1, pseudostome 15 μm wide, scales rectangular (6 x 6 - 8 x 8 μm), x 640, Furuike marsh, Togakushi highland, Shinano town, Nagano Pref., Japan, June 12, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Quadrulella symmetrica Quadrulella symmetrica Quadrulella symmetrica


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