Family: Oral area subapical, ovoid, flattened, anlong ventral margin of laterally compressed body; both side ciliated (Illustrated Guide, 1985).
Genus: Flask-shaped; ciliation uniform and complete; slit-like cytostome not reaching the middle of body, without trichocyst-borders; two or more macronuclei (Kudo, 1966). Many contractile vacuoles along both dorsal and ventral edges (Carey, 1992).

->> Description at WPRNO

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Amphileptus sp.1 430 x 64 μm two Mac. ellipsoid Japan, 1997	A. pleurosigma 290 x 65 μm 310 x 73 μm two Mac. ellipsoid Sayama Natural p. Saitama, 2001	Amphileptus sp. 265 x 64 μm Ishinazaka Furukawa Miyagi, 2003	A. pleurosigma ? 188 x μm Mac. ?? Japan, 1997
Amphileptus sp. 203 x 43 μm two Mac. ellipsoid Iruma Saitama, 2002	A. meleagris 287 x 19 μm two Mac. ellipsoid Japan, 1997	A. meleagris ? 150 x 37 μm two Mac. sphere large trich. Saitama, 1999	A. meleagris ? 190 x 40 μm two Mac. ellipsoid Saitama, 1999
A. meleagris ? 2 samples cell μm Japan, 1998	A. meleagris ? 229 x 62 μm two Mac. sphere Gyoda Saitama, 2001	A. meleagris ? 205 x 65 μm Kitamoto nature o.p. Kitamoto Saitama, 2005	A. meleagris ? μm near rice field Yachiyo Chiba, 2008
Amphileptus sp. 138 x 25 μm Hanasaki water p. Kazo Saitama, 2005	Amphileptus sp. 130 x 53 μm kenko-fukushi m.p. Koshigaya Saitama, 2005	Amphileptus sp. ? 98 x 16.5 μm 86 x 13 μm single Mac. Japan, 1998	Amphileptus sp.4 80 x 10 μm two Mac. Japan, 1998
Amphileptus sp. 235 x 77 μm Shimofukada Iwatsuki-ku Saitama, 2006

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