image_list image_listE

Lobosea: Testacealobosia: Arcellinida: Arcellidae

 Arcella sp.
Ehrenberg, 1832

Arcella Genus: Test variable, chitinoid; binucleate (Illustrated Guide, 1985). (Illustrated Guide, 1985).
Group: Discoides (Test flattened; height < 1/2 greatest diam.)
Species:

Arcella sp., test 65 μm in diam., μm high, pseudostome 27 μm wide, P/W=0.4, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
xxxx xxxx xxxx

Arcella sp., test 67 μm in diam., μm high, pseudostome 26 μm wide, P/W=0.4, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
xxxx xxxx xxxx

Please click on images for viewing enlarged.
Copyright Protist Information Server