conodont
English Thesaurus
1. 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 (noun.animal)
| hypernym | : | agnathan, jawless fish, jawless vertebrate, |
| definition | : | eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms (noun.animal) |
| member meronym | : | conodonta, conodontophorida, order conodonta, order conodontophorida, |
| definition | : | extinct order of primitive vertebrates; the precise taxonomy is not clear; in some classifications considered a separate phylum (noun.animal) |
2. the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta (noun.animal)
| hypernym | : | tooth, |
| definition | : | hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense (noun.body) |
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