conodonta

from WordNet (r) 3.0 (2006)

Conodonta
    n 1: extinct order of primitive vertebrates; the precise
         taxonomy is not clear; in some classifications considered a
         separate phylum [syn: {Conodonta}, {order Conodonta},
         {Conodontophorida}, {order Conodontophorida}]

from The Collaborative International Dictionary of English v.0.48

Conodonta \Conodonta\, Conodontophorida \Conodontophorida\n.
   an extinct order of primitive vertebrates; the precise
   taxonomy is not clear; in some classifications it is
   considered a separate phylum.

   Syn: order {Conodonta}, Conodontophorida, order
        {Conodontophorida}.
        [WordNet 1.5]