Family & Genus: >100 μm; oblong, or triangulate in locomotion; dorsal surface wrinkled, or ridged (Illustrated Guide, 1985).
Genus: A flattened ovoid or oblong, with longitudinal surface folds and appearance of thickened 'pellicle'; hyaloplasm a crescent at anterior end with thin extensions toward posterior end along sides; uninucleate (Page, 1976).

->> Description at WPRNO

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T. terricola more than 100 μm dented n. Japan, 1997	T. terricola 95 μm dented n. Japan, 199?	T. terricola 85 μm dented n. Koriyama Fukushima, 2001	T. terricola μm Kareki-numa Nikko Tochigi, 2008
Thecamoeba sp. or Striamoeba ? 50 μm vesicular n. Senjo-ga-hara Nikko Tochigi, 2003
T. sphaeronucleolus ? μm vesicular n. Saitama, 1999	T. sphaeronucleolus ? μm vesicular n. Kuroiso Tochigi, 2002	T. sphaeronucleolus ? 70 μm vesicular n. Senjo-ga-hara Nikko Tochigi, 2003	T. sphaeronucleolus ? 70 x 45 μm Onnenai Kushiro marsh Fukushima, 2001
Thecamoeba sp. 110 μm Japan, 199?	Thecamoeba sp. μm Kareki-numa Nikko Tochigi, 2008
T. verrucosa 140 μm vesicular n. Japan, 199?	T. verrucosa 175 μm vesicular n. Saitama, 1999 Movies	T. verrucosa μm vesicular n. Shirakawa Fukushima, 1999 Movies	T. verrucosa μm vesicular n. Nishi-Urawa Saitama, 2003
Thecamoeba sp. μm Shishizuka Tsuchiura Ibaraki, 2003	Thecamoeba sp. ? 80-95 μm Shuku Sakura-ku Saitama, 2004	Thecamoeba sp. ? 60-63 μm Myoyo Fukiage Saitama, 2004	Thecamoeba sp. ? 82 x 75 μm Senuki Nasu town Tochigi, 2004
Thecamoeba sp. 140 x 90 μm near Yamaguchi Univ. Yamaguchi, 2004

Similar genus -->> Striamoeba;

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