1. (noun) superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms

• agnatha

1. (noun) superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms

• agnathan
• jawless fish
• jawless vertebrate
• anaspida
• order anaspida
• conodonta
• conodontophorida
• order conodonta
• order conodontophorida
• cyclostomata
• order cyclostomata
• order ostracodermi
• ostracodermi

1. (noun) superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms

• class

1. (noun) superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms

• craniata
• subphylum craniata
• subphylum vertebrata
• vertebrata