bipinnaria definition

  • noun:
    • The larva of particular starfishes as created into the free-swimming stage.
    • The larva of particular starfishes as developed in free-swimming phase.
    • A generic name directed at the bilateral larval form of some echinoderms, as a starfish, under the effect it was a definite animal: nearly just like Brachiolaria. The word is retained to designate such larvæ or phase of development. See also cut under Asteroidea.
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