from The Century Dictionary.

  • A group or class of Echinodermata including the starfish, brittle-stars, sand-stars, basket-fish, and branching-stars. All are characterized by a flattened, stellate body consisting of a central disk bearing radiating arms, by radiately arranged genital organs, by not having the body attached by the aboral surface, and by having the podia usually limited to the lower surface of the body.


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