plural noun
Het·​er·​o·​pi·​idae | \ˌhetərōˈpīəˌdē\

Definition of Heteropiidae 

: a family of sponges (order Heterocoela) with a distinct dermal cortex pierced by inhalant pores and with subdermal triradiate spicules

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History and Etymology for Heteropiidae

New Latin, from Heteropia, type genus (from heter- + -opia) + -idae

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to make faulty or ineffective

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