| English noun: superclass Agnatha | 
| 1. | superclass Agnatha (animal) superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms | 
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 | Synonyms | Agnatha | 
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 | Broader (hypernym) | class | 
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 | Member holonym | agnathan, Anaspida, Conodonta, Conodontophorida, Cyclostomata, jawless fish, jawless vertebrate, order Anaspida, order Conodonta, order Conodontophorida, order Cyclostomata, order Ostracodermi, Ostracodermi | 
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 | Member meronym | Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata | 
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