conodontophorida

Noun
  1. Extinct order of primitive vertebrates;
    The precise taxonomy is not clear;
    In some classifications considered a separate phylum (synset 101478776)
    is a type of: animal order - the order of animals
    member holonym: conodont - small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes
    belongs to: agnatha, superclass agnatha - superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
    same as: conodonta, order conodonta, order conodontophorida

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