jawless fish(n = noun.animal) agnathan, jawless vertebrate - eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms;
is a kind of aquatic vertebrate
is a member of agnatha, superclass agnatha
has particulars: ostracoderm, heterostracan, cephalaspid, osteostracan, anaspid, conodont, cyclostome, lamper eel, lamprey, lamprey eel, hag, hagfish, slime eels

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