What does "jawless vertebrate" mean?

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

What is a synonym for "jawless vertebrate"?

Common synonyms include: agnathan, anaspid, jawless fish, lampreys.

Rare ·Advanced level

Noun

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