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Amoebidae
Amoeba proteus
Scientific classification
Domain:	Eukaryota
Phylum:	Amoebozoa
Class:	Tubulinea
Order:	Euamoebida
Family:	Amoebidae Ehrenberg 1838
Genera
Amoeba Chaos Deuteramoeba Hydramoeba Metachaos Parachaos Stigmamoeba Trichamoeba †Triassamoeba
Synonyms
Chaidae Poche 1913 Chaosidae Chatton 1953

The Amoebidae are a family of Amoebozoa, including naked amoebae that produce multiple pseudopodia of indeterminate length. These are roughly cylindrical with granular endoplasm and no subpseudopodia, as found in other members of the class Tubulinea. During locomotion one pseudopod typically becomes dominant and the others are retracted as the body flows into it. In some cases the cell moves by "walking", with relatively permanent pseudopodia serving as limbs.

The most important genera are Amoeba and Chaos, which are set apart from the others by longitudinal ridges. The best known of the species in this family is Amoeba proteus, commonly used in classrooms to demonstrate movement by pseudopodia.

References

1. Nikolaev, S.; Mitchell, E.; Petrov, N.; Berney, C.; Fahrni, J.; Pawlowski, J. (2005). "The testate lobose amoebae (order Arcellinida Kent, 1880) finally find their home within Amoebozoa" (PDF). Protist. 156 (2): 191–202. doi:10.1016/j.protis.2005.03.002. PMID 16171186.

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