Genus: Lorica has constricted neck instead of collar; lorica smooth; many species (How to know the protozoa, 1979).
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Similar genus -->> Trachelomonas;
S. acuminata
v. acuminata ?
μm
Japan, 199?
by H. Yoshino
S. acuminata
v. amphora ?
36 x 23 μm
Saitama, 1999
S. fluviatilis
69 x 32 μm
near Town Hall
Shobu
Saitama, 2004
S. fluviatilis
35 x 23.5 μm
Saitama, 1999
S. fluviatilis
μm
Higusa-numa
Hikari
Chiba, 2003
S. fluviatilis
μm
Kodama
Saitama, 2003
S. fluviatilis ?
72 x 31 μm
Ukima Park
Tokyo, 2001
S. gibberosa ?
42 x 19 μm
Uruguay, 1999
S. fusiformis
=T. fusiformis ?
66 μm
Uruguay, 1999
S. borysteniensis
μm
Japan, 199?
by H. Yoshino