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from the GNU version of the Collaborative International Dictionary of English

  • A division of the Articulata, including the annelids and allied groups; sometimes made to include also the helminths and echinoderms.

from The Century Dictionary and Cyclopedia

  • A name applied by Huxley (1869) to a subkingdom of animals, consisting of the Scolecida and Echinodermata, an association subsequently modified by the same author. Also called Echinozoa.


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