Radiolaria

      See also radiolaria

      Translingual

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      Etymology

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      Proper noun

      Radiolaria

      1. A taxonomic subclass within the class Actinopodea — the radiolaria, numerous species, most of them extinct, of minute zooplankton, many with distinctive mineral skeletons useful for dating stratigraphic layers.

      Usage notes

      • There position of this taxonomy is under dispute. It is sometimes given as a subphylum of Radiozoa or of Retaria.

      See also

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      Last modified on 24 March 2013, at 15:23