Protist Movie Database

Lobosea: Arcellinida: Arcellidae

Arcella gibbosa
Penard, 1890

Family: Test rigid, chitinoid, often areolar, smooth; pseudostome ventral, round (Illustrated Guide, 1985).
Genus: Test variable, chitinoid; binucleate (Illustrated Guide, 1985).

Group [Vulgaroides]: Test hemispherical; height 1/2 ~ 4/5 diam.; lacks external shelf or rim.
Species: 70-120 μm diam., 50-75 μm high; test yellow, brwon to black with age; pseudostome round, invaginated; dorsal surface dimpled (Illustrated Guide, 1985).

Arcella gibbosa, x 100, x 200, x 400, Torinome Kasen park, Kuroiso city, Tochigi Pref., Japan, September 1998 by Y. Tsukii

Please click on images for viewing movies.
Copyright 1995-2007 Protist Information Server