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Name derivation:
Morphology:
Amoeboid unicells are found in several different groups of protests, differing in motility from flagellates and ciliates by the plasticity of their outer cell membrane. Many of them form distinct pseudopods, extensions from the main cell body produced by sol-gel interconversions in the cytoplasm.
Similar genera:
Testate amoebae have “tests” or “shells made from small granules of various origins.
Habitat:
Amoebae, both non-testate and testate, are undoubtedly present in all aquatic habitats from epineustonic to benthic.
References: