Genus: Body blunt at rear; kineties spiralled when body contracts (Illustrated Guide, 1985). Undulating membrane absent; lacnur canal from contractile vacuole (Carey, 1992).
S. intermedium
7 clips
μm
Japan, 1999
S. intermedium
3 clips
μm
Japan, 1998
S. intermedium
5 clips
μm
Japan, 1998
S. teres
3 clips
μm
Japan, 1998
S. minus
2 clips
μm
Japan, 1998
S. minus
3 clips
μm
Japan, 1998