Suborder: Cilia of paroral dikinetid, long, form curtain (velum); ribbed wall conspicuous; cytostome in forward 1/4 of body (Illustrated Guide, 1985).
Family: Paoral membrane prominent, may be large and may project stiffly (Carey, 1992).
Genus: Ovoid to ellipsoid; peristome begins at anterior end and extends for 2/3 the body length; a conspicuous membrane at both edges; one to many posterior stiff sensory cilia (Kudo, 1966). Swimming as leaping movement.
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P. marinum
9 samples
62-73 μm
1998-2008
P. setigerum
10 samples
24-31 μm
1997-2005
Pleuronema sp.
P. setigerum ?
27 x 10 μm
Japan, 1998
Pleuronema sp.
P. setigerum ?
27 x 8 μm
Japan, 1998
Pleuronema sp.
30 x 14 μm
Koraku-en
Okayama, 2002
Pleuronema sp.
28 x 13 μm
Chiba-Minato Park
Chiba, 2003
Pleuronema sp.
28 x 15 μm
Showa machi g.p.
Showa
Saitama, 2003
Pleuronema sp. ?
28 x 14 μm
Tanohara Natural p.
Ontake highland
Nagano, 2005
Pleuronema sp.
25 x 12 μm
Japan, 1998
Pleuronema sp.
19 x 9 μm
Japan, 1998
Pleuronema sp.
24 x 10 μm
Iyari marsh
Omachi
Nagano, 2005
Similar Genus ->> Uronema; Cyclidium