Jawless Vertebrate
Of Agnatha and aquatic vertebrate. May also be referred to as agnathan and jawless fish.
Eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms.
This concept's ID is @1~7397
Contains
- hagfish
Eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight...
- lamprey
Primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a...
- ostracoderm
Extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoi...
- heterostracan
Extinct jawless fish with the anterior part of the body covered with bony plates;...
- osteostracan
Extinct jawless fish of the Devonian with armored head.
- anaspid
Extinct small freshwater jawless fish usually having a heterocercal tail and an armored...
- conodont
Small (2 inches long) extinct eellike fish with a finned tail and a notochord and having...
- cyclostome
Primitive aquatic vertebrate.