plural noun
Pro·​to·​coccaceae | \ ¦prōt(ˌ)ō+\

Definition of Protococcaceae

: a family of unicellular green algae that is coextensive with the genus Protococcus and is now usually placed in the order Ulotrichales but is sometimes isolated in a separate order or especially formerly included in Chlorococcales or Chaetophorales

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History and Etymology for Protococcaceae

New Latin, from Protococcus, type genus + -aceae

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