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Nuclearia (new-clee-air-ee-a), a nucleariid (cristi-discoid) filose amoeba. Exclusively with thin pseudopodia without skeletal supports. More of these project from the front of the cell (to the right), whereas they appear a little more crumpled at the posterior end. Eats bacteria, algae, detritus. Phase contrast.
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Nuclearia (this species also reported widely under the name Astrodisculus radians), nucleariid filose amoebae with thin pseduopodia. This species with a layer of surrounding mucus, and with bacteria attached to the outer surface of the mucus. Differential interference contrast.
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Ribadelago de Franco, Castille and Leon, Spain
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Ribadelago de Franco, Castille and Leon, Spain
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Ribadelago de Franco, Castille and Leon, Spain
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Lumbreras, La Rioja, Spain
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Nuclearia (new-clee-air-ee-a), a nucleariid (cristi-discoid) filose amoeba. Exclusively with thin pseudopodia without skeletal supports. More of these project from the front of the cell (to the right), whereas they appear a little more crumpled at the posterior end. Eats bacteria, algae, detritus. Phase contrast.
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Nuclearia, filose amoeba. Differential interference contrast. This cell has been feeding on yeast cells. Thin filose pseudopodia, without any evident internal skeletal elements, extend from the front of the cell, and are pulled in at the back. The contractile vacuole with surrounding vesicles is located at the rear of the cell. The nucleus with the round nucleolus lies just anterior to the contractile vacuole.
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Ribadelago de Franco, Castille and Leon, Spain
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S Juan, Galicia, Spain
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Villar del Pedroso, Extremadura, Spain
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Ribadelago de Franco, Castille and Leon, Spain
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Nuclearia (nuke-lee-air-ee-a) is a naked filose amoeba. It is referred to as naked because there is no lorica and wall, and filose because of the thread-like appearance of the pseudopodia. Normally consume algae and detritus. Phase contrast. Material from Nymph Creek and Nymph Lake, thermal sites within Yellowstone National Park, photograph by Kathy Sheehan and David Patterson.
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Ribadelago, Castille and Leon, Spain
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Villoslada de Cameros, La Rioja, Spain
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Ribadelago de Franco, Castille and Leon, Spain
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Lumbreras, La Rioja, Spain
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Casero de la Dehesa de la Sierra, Madrid, Spain
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Lumbreras, La Rioja, Spain
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Villar del Pedroso, Extremadura, Spain
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Villoslada de Cameros, La Rioja, Spain
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