 jawless_fish |
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| 1. | [ noun ] (zoology) eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms | |
| Synonyms: | agnathan jawless_vertebrate | |
| Related terms: | aquatic_vertebrate heterostracan cyclostome osteostracan anaspid conodont ostracoderm lamprey hagfish Agnatha | |
