Order Echinamoebida (Cavalier-Smith, 2004) Smirnov et al, 2011

Diagnosis: Flattened limax amoebae with or without spine-like subpseudopodia; if spiny subpseudopodia absent, length/breadth ratio >6.

Two families:
Family Echinamoebidae Page, 1975 em. Cavalier-Smith and Smirnov 2011
Echinamoeba
Micriamoeba

Family Vermamoebidae Cavalier-Smith and Smirnov 2011
Vermamoeba

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