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Heterakidae

plural noun
Het·​er·​aki·​dae

Definition of Heterakidae 

: a somewhat variably limited family comprising nematode worms with three lips, a small buccal capsule, and usually a posterior esophageal bulb and sometimes being included in the family Ascaridae — see heterakis

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History and Etymology for Heterakidae

New Latin, from Heterakis, type genus + -idae

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