Family Echinamoebidae Page, 1975

 

Diagnosis: Flattened amoebae with many short, extremely fine subseudopodia which may be furcate. Subpseudopodia with a central filamentous core at the ultrastructural level.

 

 

1
Amoebae usually less than 15 µm, pseudopodia short as spine-like projections, cysts with thin cell walls Echinamoeba
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Amoebae usually larger than 15 µm, cysts with thick walls 2
     
2
Many filose-like pseudopodia Filamoeba
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With a few short spine-like echinopodia Comandonia