Superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms. Synonym: superclass Agnatha.
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Words linked to "Agnatha" : order Anaspida, order Conodonta, jawless vertebrate, order Conodontophorida, Cyclostomata, Conodontophorida, jawless fish, Craniata, Conodonta, order Ostracodermi, superclass Agnatha, subphylum Vertebrata, Vertebrata, agnathan, Anaspida, Ostracodermi, order Cyclostomata, class, subphylum Craniata |
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