Genus: When extended, trumpet-shaped or cylindrical; highly contractile; some with mucilaginous lorica; conspicuous peristomal field frontal; contractile vacuole anterior-left; fresh water (Kudo, 1966).
S. roeseli
5 clips
cell 400 μm
bristles present
Mac. band-form
Japan, 1998
S. roeseli
7 clips
cell 400 μm
bristles present
Mac. band-form
Japan, 1998
S. roeseli
4 clips
telotroch
bristles present
Mac. band-form
Japan, 1998
S. roeseli
5 clips
conjugating pair
bristles present
Mac. band-form
Japan, 1998
S. roeseli
4 clips
Higashi-hiroshima
Hiroshima, 1998
S. roeseli
6 clips
Akigase park
Saitama, 1998
S. roeseli ?
14 clips
Higashi-hiroshima
Hiroshima, 1998
S. roeseli
9 clips
Higashi-hiroshima
Hiroshima, 1998
S. polymorphus
5 clips
bristles absent ?
Mac. moniliform
Japan, 1998
S. polymorphus
5 clips
bristles absent ?
Mac. moniliform
Japan, 1998
S. polymorphus
4 clips
Kanazawa
Ishikawa, 1998
S. polymorphus
2 clips
Vermont-Maine
USA, 1999
S. coeruleus
12 clips
kurome river
Asaka
Saitama, 1999
Stentor sp.
4 clips
Higashi-hiroshima
Hiroshima, 1998
Stentor sp.
4 clips
Vermont-Maine
USA, 1999