jawless fish meaning

UK US

jawless fish (noun): eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms.

Definition of jawless fish

  1. eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms

    Synonyms: jawless vertebrate, agnathan

    Type of: aquatic vertebrate

    Kinds: ostracoderm, heterostracan, osteostracan, anaspid, conodont, cyclostome, lamprey, hagfish

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