Definitions

from The Century Dictionary and Cyclopedia

  • In Haeckel's system of classification, a primary group of Echinodermata, consisting of the sea-stars or starfishes (Asterida) and sea-lilies or lily-stars (Crinoida), together distinguished from the armless echinoderms (Lipobrachia), which comprise the sea-urchins and sea-cucumbers.

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