Eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms. Synonyms: jawless fish, jawless vertebrate.
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Words linked to "Agnathan" : ostracoderm, slime eels, superclass Agnatha, heterostracan, jawless fish, anaspid, hagfish, osteostracan, hag, aquatic vertebrate, cephalaspid, lamper eel, cyclostome, lamprey eel, Agnatha, conodont, lamprey |
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