hydroidea definition

  • noun-plural:
    • An extensive order of Hydrozoa or Acalephæ.
  • others:
    • An order or subclass of this course Hydrozoa, about equal to Hydrophora, and consisting of the eleutheroblastic, gymnoblastic, and calyptoblastic hydrozoans.

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  • Definition for "hydroidea"
    • An extensive order of Hydrozoa or Acalephæ.
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