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.
GNU Webster's 1913
- n. (Zoöl.) A division of the Articulata, including the annelids and allied groups; sometimes made to include also the helminths and echinoderms.
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