from The Century Dictionary.

  • A name of the gymnoblastic hydroid hydrozoans, which are not sheathed, that is, have no gonangia and no hydrothecæ: a synonym of Gymnoblastea (which see).

from the GNU version of the Collaborative International Dictionary of English.

  • noun plural (Zoöl.) A division of Hydroidea in which the zooids are naked, or not inclosed in a capsule. See tubularian.


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