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![A large 20-cm wide Xenophyophore expl2234.jpg A large 20-cm wide Xenophyophore](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl2234.jpg?itok=yXmN7_IM)
Description
A large 20-cm wide Xenophyophore. Xenophyophores are single cell animalscalled protists. As benthic particulate feeders, xenophyophores normally siftthrough the sediments on the sea floor. and excrete a slimy substance; inlocations with a dense population of xenophyophores, such as the bottom oftrenches, their density may be as high as 2000 per 100 square meters. (Image credit: IFE, URI-IAO, UW, Lost City Science Party; NOAA/OAR/OER; The Lost City 2005 Expedition)