Lobosea
:
Testacealobosia
: Arcellinida: Arcellidae
Arcella
sp.
Ehrenberg, 1832
Genus: Test
variable
, chitinoid;
binucleate
(Illustrated Guide, 1985).
Species:
Arcella
sp., test
32
μm long,
55
μm wide, pseudostome
15
μm wide, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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