Genus: Test ovoid, flexible, with minute foreign bodies and a thick covering of hyaline
hair-like (or spine-like) projections; pseudopodia long, filose, branching (Kudo, 1966).
Images of collecting locality:
No.5, Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, June 4, 2007 by Y. Tsukii
D. mobile Archer, 1869: 60-120 μm long, 40-80 μm diam., test ovoid, flexible, attached particles; spinelike projections 8-10 μm long; pseudostome terminal 10-20 μm, variable shape (Illustrated Guide, 1985). One to two contractile vacuoles (Kudo, 1966).