Comprehensive Description

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Description of Peranema

Colourless, phagotrophic, elongate, gliding cells; very metabolic; canal opening subapical; muciferous bodies under the surface can be large; cysts and palmellae unknown; about 20 species from 8 to 200 µm in length. Ingestion apparatus with two support rods. Two flagella, the anterior one projects in front of gliding cells and most movement is confined to the tip, recurrent flagellum adheres to the cell surface. Cells with no recurrent flagellum are assignable to Jenningsia. Freshwater and marine, common in ponds, ditches, marshes, sediments and marine sands; cosmopolitan. Type species: Peranema trichophorum (Ehrenberg, 1832) Stein, 1878.


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