Echinodermata

E`chi`no`der´ma`ta    (ė`kī`nô`dẽr´må`tå)

n. pl.

1.

(Zool.) One of the grand divisions of the animal kingdom. By many writers it was formerly included in the Radiata.

Thesaurus

Noun

1.

Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers phylum Echinodermata animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies Asteroidea, class Asteroidea - sea stars class Ophiuroidea, Ophiuroidea - brittle stars and basket stars class Echinoidea, Echinoidea - sea urchins and sand dollars class Crinoidea, Crinoidea - sea lilies class Holothuroidea, Holothuroidea - class of echinoderms including the sea cucumbers phylum - (biology) the major taxonomic group of animals and plants; contains classes