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