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False-color image of a foraminiferan (pink) rending and consuming a bacterial biofilm (blue). The dark area is the region cleared by the foram in approximately 12 hours. Species not identified. Image courtesy of Joan Bernhard, WHOI. A version of this image appeared in Bernhard, J., and Bowser, S.S. (1992) Mar. Ecol. Prog. Ser. 83:263-272.
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A brightfield image of a portion of a reticulopod and several rod-shaped bacteria. The oral zone of the foraminiferan is at upper left. Image courtesy of Samuel S. Bowser, Wadsworth Center.
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This image clearly shows the prominent "collar" around the oral zone for which the species is named. Image courtesy of Samuel S. Bowser, Wadsworth Center.
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This species has an organic-walled test, which is thin, flexible and somewhat transparent. It is visible as the hazy "halo" around the cell body. Image courtesy of Samuel S. Bowser, Wadsworth Center.
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This individual is surrounded by the empty frustules of diatoms it has consumed. Image courtesy of Jeffrey L. Travis, University at Albany.
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Marine thecate foraminiferan with reticulopods extended. Isolated from culture provided by Jeff L. Travis. Microscopy by L.W.Parfrey
