Echinodermata

noun plural

Echi·no·der·ma·ta -nə-ˈdər-mət-ə

: a phylum of radially symmetrical coelomate marine animals consisting of the starfishes, sea urchins, and related forms

echinodermatous

i-ˌkī-nə-ˈdər-mət-əs

adjective

echinoderm

i-ˈkī-nə-ˌdərm

noun

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“Echinodermata.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Echinodermata. Accessed 7 Jul. 2026.

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Echinodermata

noun plural

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