Actinoida

Ac·​ti·​noi·​da

ˌak-tə-ˈnȯi-də

variants or Actinoidea

ˌak-tə-ˈnȯi-dē-ə

taxonomic synonym of anthozoa

Word History

Etymology

borrowed from New Latin, from Actinia actinia + -oida, -oidea -oida, -oidea

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