athecata definition

  • noun-plural:
    • A division of Hydroidea when the zooids are nude, or perhaps not inclosed in a capsule. See tubularian.
    • A division of Hydroidea where the zooids tend to be nude, or otherwise not inclosed in a capsule. See tubularian.
  • others:
    • A name for the gymnoblastic hydroid hydrozoans, that aren't sheathed, this is certainly, have no gonangia and no hydrothecæ: a synonym of Gymnoblastea (which see).
    • A name associated with the gymnoblastic hydroid hydrozoans, that are not sheathed, that is, don't have any gonangia and no hydrothecæ: a synonym of Gymnoblastea (which see).

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