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Amoeba is a genus of single-celled amoeboids in the family Amoebidae. [2] The type species of the genus is Amoeba proteus , a common freshwater organism, widely studied in classrooms and laboratories.
Clockwise from top right: Amoeba proteus, Actinophrys sol, Acanthamoeba sp., Nuclearia thermophila., Euglypha acanthophora, neutrophil ingesting bacteria. An amoeba (/ ə ˈ m iː b ə /; less commonly spelled ameba or amœba; pl.: amoebas (less commonly, amebas) or amoebae (amebae) / ə ˈ m iː b i /), [1] often called an amoeboid, is a type of cell or unicellular organism with the ability ...
The Amoebidae are a family of Amoebozoa, [1] 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.
An amoeba of the genus Mayorella (Amoebozoa, Discosea). Amoebozoa is a large and diverse group, but certain features are common to many of its members. The amoebozoan cell is typically divided into a granular central mass, called endoplasm, and a clear outer layer, called ectoplasm.
Class Archamoebea Cavalier-Smith 1983 stat. nov. 2004. Order Entamoebida Cavalier-Smith 1993. Family Entamoebidae Chatton 1925 em. Cavalier-Smith 1993. Genus †Entamoebites Poinar & Boucot 2006; Genus Entamoeba Casagrandi & Barbagallo 1895; Order Pelobiontida Page 1976 em. Cavalier Smith 1987. Suborder Pelomyxina Starobogatov 1980
Amoeba proteus is a large species of amoeba closely related to another genus of giant amoebae, Chaos. As such, the species is sometimes given the alternative scientific name Chaos diffluens. [1] [2] Amoeba proteus in locomotion. This protozoan uses extensions called pseudopodia to move and to eat smaller unicellular organisms.
The class Tubulinea, as of 2022, is classified into three major groups: Corycida, Echinamoebida and Elardia. The most taxonomically abundant group is Elardia, which contains the testate amoebae of Arcellinida and the naked amoebae of orders Leptomyxida and Euamoebida .
Trichosphaerium is the sole accepted genus of the family Trichosphaeriidae (sometimes written as Trichosidae) [3] and the order Trichosida. [1] [4] The phylogenetic placement of Trichosphaerium has been controversial, [2] but most recent studies place it within the class Tubulinea of the phylum Amoebozoa.