Genus: Greater part of axopodia and cell body covered by a thick gelatinous mantle (Kudo, 1966).
cell body nearly spherical, 20 μm in diam., gelatinous coat about 5 μm in thickness,
axopodia about 60 μm long,
x 640, a small pond at Nagaike park, Hachioji city, Tokyo, Japan, April 6, 2005 by Y. Tsukii
94 μm; x 640