Genus: Flask-shaped; elongate, flattened; anterior region neck-like; cilia only on right side; without trichocyst-borders; cytostome with trichocysts; two macronuclei (Kudo, 1966).
Species: Long, thin and contractile; cell body is 200 μm long with a very long and thin neck region and pointed tail; laterally compressed; two macronuclei; a large contractile vacuole with small satellites (Carey, 1992). 500 μm long (Kahl, 1931).
Google Image Search
Two macronuclei
L. cygnus
by Dirk Klos
200-300 μm
sewage plant
Bavaria
Germany, 2004
L. cygnus
217-350 μm
Japan, 1997
L. cygnus
feeding, cell division
Japan, 1997
L. cygnus
350 μm
Japan, 1998
L. cygnus
330 x 25 μm
Kurome river
Asaka
Saitama, 2006
L. cygnus
310 μm
Saitama, 2000L. cygnus
cell μm
Japan, 1998L. cygnus
cell μm
Japan, 1998
L. cygnus
μm
Takamatsu
Kagawa, 2002
L. cygnus
μm
Tama river
Setagaya ku
Tokyo, 2004
L. cygnus
μm
Koma river
Sakado
Saitama, 2003
L. cygnus
210 x 30 μm
Imou bog
Toyohashi
Aichi, 2004
L. cygnus ?
160 x 25 μm
Myoyo
Fukiage
Saitama, 2004Similar Genus ->> Loxophyllum; Amphileptus