Definitions

from The Century Dictionary.

  • A class of filose non-corticate Protozoa: a name applied by Haeckel (in 1862) to the protozoans called by Ehrenberg Polycystina.

from the GNU version of the Collaborative International Dictionary of English.

  • noun plural (Zoöl.) Order of rhizopods, usually having a siliceous skeleton, or shell, and sometimes radiating spicules. The pseudopodia project from the body like rays. It includes the polycystines. See polycystina.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Plural form of radiolarian.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun marine protozoa

Etymologies

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Examples

  • These micro-organisms are found in just a few pieces of amber among the thousands that have been studied, but show a remarkable diversity: unicellular algae, mainly diatoms found in large numbers, traces of animal plankton, such as radiolaria and a foraminifer, spiny skeletons of sponges and of echinoderms.

    Signs of the Times 2008

  • These micro-organisms are found in just a few pieces of amber among the thousands that have been studied, but show a remarkable diversity: unicellular algae, mainly diatoms found in large numbers, traces of animal plankton, such as radiolaria and a foraminifer, spiny skeletons of sponges and of echinoderms.

    Scientific Blogging 2008

  • This, indeed, is why oil companies employ fossil experts to identify particular strata of rocks, usually by microfossils, tiny creatures called foraminifera, for example, or radiolaria.

    THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009

  • This, indeed, is why oil companies employ fossil experts to identify particular strata of rocks, usually by microfossils, tiny creatures called foraminifera, for example, or radiolaria.

    THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009

  • In the limestone, which is also on the whole horizontally bedded, only radiolaria have been found.

    The South Pole~ Fram Expedition Geology 2009

  • Notes on the strontium content of sea water, Celestite radiolaria, and Strontianite snail shells.

    Howard T. Odum (publications) 2007

  • After some success with formaminifera, factor analysis was used with radiolaria, diatoms, and pollen.

    Wilson et al 2007 « Climate Audit 2007

  • The specimen brought up was a terrigenous blue mud (glacial deposit) with some radiolaria.

    South: the story of Shackleton’s last expedition 1914–1917 2006

  • So the historical inflection points are pretty well known within a couple of thousand years based on deep-sea sediment cores taken world-wide that looked at microfossils diatoms, foraminifera, radiolaria, coccoliths, pollen, dO18, and sediment chemistry.

    Whitfield subCommittee II: Mann under fire « Climate Audit 2006

  • Diatomic structures, radiolaria, the things that we couldn't see but we can do now.

    Ross Lovegrove shares organic designs 2005

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