Synset:Petromyzontidae family Petromyzontidae
Member Holonyms:Cyclostomata order Cyclostomata
Hypernyms:fish family
Inherited Hypernyms:petromyzontidaefish familyfamilytaxonomic groupbiological groupgroupabstractionentity
Member Meronyms:lamper eel lamprey lamprey eel Petromyzon genus Petromyzon