plural noun
As·​ter·​i·​i·​dae | \ ˌastəˈrīəˌdē\

Definition of Asteriidae

: a large and important family of starfishes including the common species of North America and Europe and having Asterias as its type and best-known genus

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History and Etymology for Asteriidae

New Latin, from Asterias, type genus + -idae

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