Peristome more than 2/3 of the cell length; macronucleus moniliform |
S. ambiguum
1200 x 100 μm
peri. > 3/4
Uruguay, 1999 |
S. ambiguum
1140 x 196 μm
Diamond marsh
Shiga highland
Nagano, 2004 |
S. ambiguum
1060 x 75 μm
Akebono marsh
Tsuchiyu-onsen
Fukushima, 2005 |
S. ambiguum
880 x 72 μm
peri. = 3/4
Sugadaira
Nagano, 2001 |
S. ambiguum
820 x 88 μm
peri. = ?
Ichikawa
Chiba, 2001 |
S. ambiguum
730 x 38 μm
Kodanuki marsh
Fujinomiya
Shizuoka, 2005 |
S. ambiguum
568 x 38 μm
peri. = 2/3
Ichikawa
Chiba, 2001 |
S. ambiguum
510 x 36 μm
peri. = 2/3
Iruma river
Kawagoe
Saitama, 2004 |
S. ambiguum ?
452 x 56 μm
peri. = 2/3
Japan, 1999 |
S. ambiguum
450 x 70 μm
peri. = 2/3
Kiyose
Tokyo, 2001 |
S. ambiguum
μm
Omine-numa
Minakami
Gunma, 2008
|
Peristome about half of the cell length; macronucleus moniliform |
S. intermedium
800 μm
Japan, 199? |
S. intermedium
macronuclei
Japan, 199? |
S. intermedium
cell division
Japan, 1997 |
S. intermedium
790 μm
Ichikawa
Chiba, 2001 |
S. intermedium
560,760 x μm
Nidanuma
Tsuchiyu-onsen
Fukushima, 2005 |
S. intermedium
600 x μm
Akebono marsh
Tsuchiyu-onsen
Fukushima, 2005 |
S. intermedium ?
Japan, 199? |
S. intermedium
cell μm
Japan, 1998 |
S. intermedium
cell μm
Japan, 1998 |
S. intermedium
cell μm
Japan, 1998 |
S. intermedium
μm
Kanazawa
Ishikawa, 2002 |
S. intermedium
350 x 20 μm ?
Futayo-no-ike
Haguro mountain
Yamagata, 2005 |
Peristome less than half of the cell length; macronucleus ellipsoidal |
S. teres
534 x 38 μm
Iroha-numa
Zao mountain
Yamagata, 2005 |
S. teres
500 x 44 μm
peri. = 2/5
cell division
Japan, 1999 |
S. teres
320 x 30 μm
peri. = 2/5
mac. ellipsoidal
Japan, 1998 |
S. teres
194 x 27 μm
peri. = 2/5
mac. ellipsoidal
Mishima
Shizuoka, 2001 |
S. teres
cell μm
peri. = 2/5 ?
Japan, 1998 |
S. teres
460 x 520 μm
peri. = 1/3
mac. ellipsoidal
Uruguay, 1999 |
S. teres
460 x 54 μm
360 x 40 μm
peri. = 1/3
mac. ellipsoidal
Matsumoto
Nagano, 2001 |
S. teres
330 x 16 μm
mac. ellipsoidal
Shide-numa
Kita-kawabe
Saitama, 2005 |
S. teres
500 x 80 μm
peri. = 1/4
mac. ellipsoidal
Ichikawa
Chiba, 2001 |
S. teres ?
tail long
520 x 50 μm
peri. = 1/4
mac. ellipsoidal
Ichikawa
Chiba, 2001 |
S. teres
300 x 64 μm
cell contracted
peri. = 1/4?
Mac. ellipsoidal
Kasai Seaside p.
Tokyo, 2001 |
S. teres
280 x 76 μm
near Dedono-yu
Nishiwaga
Iwate, 2007
|
Peristome less than half of the cell length; macronucleus moniliform |
S. minus
800 x 24 μm
peri. = 1/3
Japan, 1998
|
S. minus
780 x 34 μm
peri. = 1/3
mac. moniliform
USA, 1999 |
S. minus
μm
Kareki-numa
Nikko
Tochigi, 2008 |
S. minus
cell μm
Japan, 1998 |
Peristome less than half of the cell length; macronucleus oval (one or two) |
S. filum
820 x 80 μm
peri. < 1/4
Japan, 199? |
S. filum
720 x 30 μm
Iyari marsh 3
Omachi
Nagano, 2007
|
S. filum
330 x 18 μm
Karakemi marsh 1
Omachi
Nagano, 2007
|
Spirostomum sp.
275 x 31 μm
peri. = 1/3
two mac.
Ushiku
Ibaraki, 2002 |