Family: More or less fan-shaped; conical projections or scurs from clear margin.
Genus: Scurs; few subpseudopods formed; clear margin not formed eruptively,
shape in locomotion relatively constant (Illustrated Guide, 1985).
Species:
Similar Genus -->> Vannella ;
Rosculus Flabellula sp. Schaeffer 1926,
cell body 95 μm long, 200 μm wide (or 80 x 230, 80 x 210),
with two vesicular nuclei (15 μm in diam.),
x 400, x 640, Iono michino-eki, Nasu town, Tochigi Pref., Japan, January 3, 2004 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640