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from The Century Dictionary and Cyclopedia

  • In H. Milne-Edwards's classification (1855), the second subbranch of his fourth branch Zoöphytes, distinguished from his Radiaria (or echinoderms, acalephs, and polyps), and composed of the two classes Infusoria and Spongiaria. It thus corresponds to Protozoa with the inclusion therein of the sponges.


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