Agnathan

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  agnathan \agnathan\ n.
     1. an eel-shaped vertebrate without jaws or paired
        appendages; a member of the Agnatha. The group includes
        the cyclostomes and some extinct forms.
  
     Syn: jawless vertebrate, jawless fish


          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  agnathan
       n : eel-shaped vertebrate without jaws or paired appendages
           including the cyclostomes and some extinct forms [syn: {jawless
           vertebrate}, {jawless fish}]