Order Thecamoebida Schaeffer, 1926

 

Diagnosis: Oblong, flattened cell with dorsal folds and/or ridges; anterior hyaloplasm forms antero-lateral crescent and never occupies half or more of the body length; never produce discrete pseudopodia or subpseudopodia; cell coat relatively thin, amorphous or with extra structures based on amorphous layer.
Sappinia, Stenamoeba, Thecamoeba.

 

Thecamoeba striata

Thecamoeba striata