from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Same as Anthozoa.

from the GNU version of the Collaborative International Dictionary of English

  • Same as anthozoa.

from The Century Dictionary and Cyclopedia

  • n. A division (order or subclass) of Actinozoa, containing the hexamerous or hexacoralline forms; the helianthoid polyps, or animal-flowers, contrasted with the Alcyonaria, and characterized by the normal disposition of their soft parts in sixes, or multiples of six (not in eights, as in the Alcyonaria or Octocoralla), and by the possession of simple (not fringed) and usually numerous tentacles: so called from the resemblance of some of them, as the sea-anemones, to flowers.


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  • Its FAMILY characters, represented in different genera and species, range from the Ordovician to the close of the Paleozoic; while the characters which it shares with all its order, the Zoantharia, began in the Cambrian and are found in living species.

    The Elements of Geology


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