Cienkowski, 1867 (Page & Siemensma, 1991; Illustrated guide, 2000)
Genus: Body fills porous siliceous envelope, a pseudopodium (axopodium) through each pore;
on a stalk (How to know the protozoa, 1979).
Organic capsule with polygonal pores; cell body near the capsule; colonial or single
(Illustrated Guide, 1985).
tape No. 0117, time code 0640,
Akigase park, Oomiya city, Saitama Pref. Japan, October 30, 1998 by Y. Tsukii
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