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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

Difflugia mammilaris
Penard, 1893

Family: Pseudostome terminal, of variable shape.
Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; pseudostome relatively large, with or lacking a collar (Illustrated Guide, 1985).

Species: Size, 90-130 μm long; 30-45 μm wide; Test, long-oval, with nipple-like extention at base; clear chitinoid, imbedded siliceous particles; pseudostome, oval, 20-30 by 15-20 μm (Illustrated Guide, 1985).
Google Image Search

D. mammilaris
112 x 88 μm
L/W=1.3
Japan, 199?

D. mammilaris
μm
L/W=
Japan, 1998

D. mammilaris
100 x 64 μm
L/W=1.6
Japan, 1998

D. mammilaris
88 x 64 μm
L/W=1.4
Japan, 199?
Difflugia
D. mammilaris
62 x 49 μm
L/W=1.3
Japan, 199?

D. mammilaris
62 x 47 μm
L/W=1.3
Japan, 199?

D. mammilaris
62 x 41 μm
L/W=1.5
Japan, 199?

D. mammilaris
62 x 38 μm
L/W=1.6
Japan, 1998
xxxx
D. mammilaris
39 x 24 μm
L/W=1.6
Lake Shirakaba
Tateshina & Chino
Nagano, 2005
Difflugia
D. mammilaris
120 x 62 μm
L/W=1.9
Shimo-no-koike
Shiga highland
Nagano, 2004

Similar Genus -->> Pseudodifflugia; Diaphoropodon


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Difflugia mammilaris
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