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A living thecate foraminiferan.

A living thecate foraminiferan.
A living thecate foraminiferan.
A living thecate foraminiferan.
A living thecate foraminiferan.
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405350
Bernhard, Joan
A living thecate foraminiferan.
Still Image
10/29/2013
LiveForam.jpg
From Oceanus online slideshow caption:
A living thecate foraminiferan, with a plump cell body and numerous thread-like pseudopods (extensions) that it uses to capture prey and explore its surroundings. Thecate foraminifera produce a soft, organic sheath around themselves.
Image Of the Day caption:
A plump foramiferan, or foram, sends out thread-like extensions to explore its surroundings and capture prey. Forams are single-celled organisms that live on or in the seafloor, where their activities disrupt microscopic layers of sediment. WHOI researchers Joan Bernhard, Virginia Edgcomb, and Anna McIntyre-Wressnig recently found that certain kinds of forams might have played a role in the worldwide decline, a billion years ago, of finely layered rock formations called stromatolites and the rise of clumpy formations called thrombolites.
Photo by Joan Bernhard
© Woods Hole Oceanographic Institution
http://www.whoi.edu/oceanus/feature/what-doomed-the-stromatolites
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