Genus: With a vase-like chitinous lorica to which stalked or stalkless organism is attached; fresh or salt water; numerous species (Kudo, 1966). Transparent; ovoid; collar indistinct; in lorica (How to know the protozoa, 1979). Solitary or colonial; with firm lorica (theca) as a cup or tube; protoplast with 1 anterior flagellum encircled laterally by well-developed collar; contractile vacuoles posterior in fresh water species (Illustrated Guide, 1985).
Species:
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S. buetschlii
lorica 19 μm long
Japan, 199?
S. buetschlii
lorica μm long
Omiya
Saitama, 2001
S. buetschlii
lorica 16 μm
Japan, 199?
S. buetschlii
lorica 16 μm
Japan, 1999
S. buetschlii
lorica μm
Kanazawa
Ishikawa, 2002
S. buetschlii
lorica 16 x 7 μm
Igashira park
Mooka
Tochigi, 2004
S. buetschlii
lorica 16 x 8 μm
Shimo-kawahara p.
Sayama
Saitama, 2005
S. buetschlii
lorica 15 x 7 μm
Nagaike park
Hachioji
Tokyo, 2005
S. buetschlii
lorica 17 x 8 μm
near Shide-numa
Kita-kawabe
Saitama, 2005
S. buetschlii
lorica μm
a pond
Kashiwa
Chiba, 2008