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Definition of Genus costia
1. Noun. A genus of flagellate protoctist. 
Generic synonyms: Protoctist Genus
Group relationships: Order Polymastigina, Polymastigina
Member holonyms: Costia, Costia Necatrix
Group relationships: Order Polymastigina, Polymastigina
Member holonyms: Costia, Costia Necatrix



