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(E-chi-no-der-ma-ta) 6 syllables

Definition

noun. a phylum of marine animals that have a hard, spiny skin and a radial symmetry.

Example Sentence

The starfish is a member of the Echinodermata phylum.

More Example Sentences

Many echinodermata live on the ocean floor.

Synonyms

spiny-skinned animals; sea stars; sea urchins

Antonyms

Mammals; Birds

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echinodermata
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