Genus:
Species: Test 130-150 μm long, 100 μm wide
(Cash, The British Freshwater Rhizopoda and Heliozoa vol. II, 1909).
Similar Genus -->> Difflugia Pontigulasia compressa (Carter) Cash ?,
test 210 μm long, 150 μm wide, L/W=1.4, pseudostome 48 μm wide,
x 400, x 640, Iyari marsh, Omachi city, Nagano Pref., Japan, November 23, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640