1. Eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
   - jawless fish, agnathan

Derived forms: jawless vertebrates

Type of: aquatic vertebrate

Part of: Agnatha, superclass Agnatha

• seaside centaury
• seaside daisy
• seaside goldenrod
• seaside mahoe
• seaside scrub oak
• seasnail
• season
• season ticket
• seasonable
• seasonableness
• seasonably
• seasonal
• seasonal adjustment
• seasonal affective disorder
• seasonal worker
• seasonally
• seasoned
• seasoned salt
• seasoner
• seasoning
• seat
• seat cushion
• seat-of-the-pants
• seatbelt
• seated